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102231253102120 = 2353165780733529
BaseRepresentation
bin10111001111101010010001…
…100001101010111000101000
3111101222012201210200011001221
4113033222101201222320220
5101344424101243231440
61001232220032151424
730350651516446162
oct2717522141527050
9441865653604057
10102231253102120
112a63503823837a
12b571127998574
13450749a8890cc
141b3603a3c1932
15bc4409874d4a
hex5cfa9186ae28

102231253102120 has 32 divisors (see below), whose sum is σ = 230027588346600. Its totient is φ = 40891208997888.

The previous prime is 102231253102103. The next prime is 102231253102129. The reversal of 102231253102120 is 21201352132201.

It can be written as a sum of positive squares in 4 ways, for example, as 80156459684196 + 22074793417924 = 8953014^2 + 4698382^2 .

It is a super-2 number, since 2×1022312531021202 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102231253102129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39100485 + ... + 41633044.

Almost surely, 2102231253102120 is an apocalyptic number.

102231253102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102231253102120 is an abundant number, since it is smaller than the sum of its proper divisors (127796335244480).

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

102231253102120 is a wasteful number, since it uses less digits than its factorization.

102231253102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80765197 (or 80765193 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 102231253102120 in words is "one hundred two trillion, two hundred thirty-one billion, two hundred fifty-three million, one hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 31657 63314 126628 158285 253256 316570 633140 1266280 80733529 161467058 322934116 403667645 645868232 807335290 1614670580 3229341160 2555781327553 5111562655106 10223125310212 12778906637765 20446250620424 25557813275530 51115626551060 102231253102120