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23130130300 = 22521729736427
BaseRepresentation
bin10101100010101010…
…011100011101111100
32012200222102100210121
4111202222130131330
5334332303132200
614343102544324
71446120602134
oct254252343574
965628370717
1023130130300
11989a3a0272
1245962980a4
132248022044
141195cc3ac4
15905966e1a
hex562a9c77c

23130130300 has 144 divisors (see below), whose sum is σ = 55739244960. Its totient is φ = 8291082240.

The previous prime is 23130130259. The next prime is 23130130307. The reversal of 23130130300 is 303103132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130130307) by changing a digit.

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, 3595687 + ... + 3602113.

It is an arithmetic number, because the mean of its divisors is an integer number (387078090).

Almost surely, 223130130300 is an apocalyptic number.

23130130300 is a gapful number since it is divisible by the number (20) 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 23130130300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27869622480).

23130130300 is an abundant number, since it is smaller than the sum of its proper divisors (32609114660).

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

23130130300 is a wasteful number, since it uses less digits than its factorization.

23130130300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560 (or 6553 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 23130130300 its reverse (303103132), we get a palindrome (23433233432).

The spelling of 23130130300 in words is "twenty-three billion, one hundred thirty million, one hundred thirty thousand, three hundred".

Divisors: 1 2 4 5 10 17 20 25 29 34 50 58 68 73 85 100 116 145 146 170 290 292 340 365 425 493 580 725 730 850 986 1241 1450 1460 1700 1825 1972 2117 2465 2482 2900 3650 4234 4930 4964 6205 6427 7300 8468 9860 10585 12325 12410 12854 21170 24650 24820 25708 31025 32135 35989 42340 49300 52925 62050 64270 71978 105850 109259 124100 128540 143956 160675 179945 186383 211700 218518 321350 359890 372766 437036 469171 546295 642700 719780 745532 899725 931915 938342 1092590 1799450 1863830 1876684 2185180 2345855 2731475 3168511 3598900 3727660 4659575 4691710 5462950 6337022 7975907 9319150 9383420 10925900 11729275 12674044 13605959 15842555 15951814 18638300 23458550 27211918 31685110 31903628 39879535 46917100 54423836 63370220 68029795 79212775 79759070 136059590 158425550 159518140 199397675 231301303 272119180 316851100 340148975 398795350 462602606 680297950 797590700 925205212 1156506515 1360595900 2313013030 4626026060 5782532575 11565065150 23130130300