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10102102032 = 24311174872311
BaseRepresentation
bin10010110100010000…
…11101100000010000
3222002000212221210010
421122020131200100
5131142114231112
64350231034520
7505224310341
oct113210354020
928060787703
1010102102032
114314411860
121b5b20ba40
13c4cbb8989
146bb9400c8
153e1d2a63c
hex25a21d810

10102102032 has 160 divisors (see below), whose sum is σ = 30219208704. Its totient is φ = 2874009600.

The previous prime is 10102102019. The next prime is 10102102033. The reversal of 10102102032 is 23020120101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10102101999 and 10102102017.

It is not an unprimeable number, because it can be changed into a prime (10102102033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4370157 + ... + 4372467.

Almost surely, 210102102032 is an apocalyptic number.

10102102032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10102102032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15109604352).

10102102032 is an abundant number, since it is smaller than the sum of its proper divisors (20117106672).

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

10102102032 is a wasteful number, since it uses less digits than its factorization.

10102102032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837 (or 2831 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10102102032 its reverse (23020120101), we get a palindrome (33122222133).

The spelling of 10102102032 in words is "ten billion, one hundred two million, one hundred two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 11 12 16 17 22 24 33 34 44 48 51 66 68 88 102 132 136 176 187 204 264 272 374 408 487 528 561 748 816 974 1122 1461 1496 1948 2244 2311 2922 2992 3896 4488 4622 5357 5844 6933 7792 8279 8976 9244 10714 11688 13866 16071 16558 18488 21428 23376 24837 25421 27732 32142 33116 36976 39287 42856 49674 50842 55464 64284 66232 76263 78574 85712 91069 99348 101684 110928 117861 128568 132464 152526 157148 182138 198696 203368 235722 257136 273207 305052 314296 364276 397392 406736 432157 471444 546414 610104 628592 728552 864314 942888 1092828 1125457 1220208 1296471 1457104 1728628 1885776 2185656 2250914 2592942 3376371 3457256 4371312 4501828 5185884 6752742 6914512 9003656 10371768 12380027 13505484 18007312 19132769 20743536 24760054 27010968 37140081 38265538 49520108 54021936 57398307 74280162 76531076 99040216 114796614 148560324 153062152 198080432 210460459 229593228 297120648 306124304 420920918 459186456 594241296 631381377 841841836 918372912 1262762754 1683683672 2525525508 3367367344 5051051016 10102102032