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102300103231020 = 22355167871253911
BaseRepresentation
bin10111010000101010011001…
…010100000100011000101100
3111102012210110002100002100000
4113100222121110010120230
5101402041102411343040
61001324004005304300
730355636632053022
oct2720523124043054
9442183402302300
10102300103231020
112a661259352252
12b582541705090
134510b20a11256
141b394cc3d6712
15bc60d904d130
hex5d0a9950462c

102300103231020 has 144 divisors (see below), whose sum is σ = 321822714140928. Its totient is φ = 27278380704960.

The previous prime is 102300103230991. The next prime is 102300103231031. The reversal of 102300103231020 is 20132301003201.

102300103231020 is a `hidden beast` number, since 1 + 0 + 2 + 300 + 1 + 0 + 32 + 310 + 20 = 666.

It is a super-2 number, since 2×1023001032310202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102300103230984 and 102300103231002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80957865 + ... + 82211775.

It is an arithmetic number, because the mean of its divisors is an integer number (2234879959312).

Almost surely, 2102300103231020 is an apocalyptic number.

102300103231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102300103231020 is an abundant number, since it is smaller than the sum of its proper divisors (219522610909908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102300103231020 is a wasteful number, since it uses less digits than its factorization.

102300103231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270722 (or 1270708 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 102300103231020 its reverse (20132301003201), we get a palindrome (122432404234221).

The spelling of 102300103231020 in words is "one hundred two trillion, three hundred billion, one hundred three million, two hundred thirty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 243 270 324 405 486 540 810 972 1215 1620 2430 4860 16787 33574 50361 67148 83935 100722 151083 167870 201444 251805 302166 335740 453249 503610 604332 755415 906498 1007220 1253911 1359747 1510830 1812996 2266245 2507822 2719494 3021660 3761733 4079241 4532490 5015644 5438988 6269555 6798735 7523466 8158482 9064980 11285199 12539110 13597470 15046932 16316964 18808665 20396205 22570398 25078220 27194940 33855597 37617330 40792410 45140796 56425995 67711194 75234660 81584820 101566791 112851990 135422388 169277985 203133582 225703980 304700373 338555970 406267164 507833955 609400746 677111940 1015667910 1218801492 1523501865 2031335820 3047003730 6094007460 21049403957 42098807914 63148211871 84197615828 105247019785 126296423742 189444635613 210494039570 252592847484 315741059355 378889271226 420988079140 568333906839 631482118710 757778542452 947223178065 1136667813678 1262964237420 1705001720517 1894446356130 2273335627356 2841669534195 3410003441034 3788892712260 5115005161551 5683339068390 6820006882068 8525008602585 10230010323102 11366678136780 17050017205170 20460020646204 25575025807755 34100034410340 51150051615510 102300103231020