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230511102125 = 5315101122117
BaseRepresentation
bin1101011010101110001…
…0000100100010101101
3211000222201022021011212
43112223202010202231
512234041320232000
6253521220524205
722440165016343
oct3265342044255
9730881267155
10230511102125
1189839564887
1238811850665
1318977555765
14b22a371993
155ee1daac35
hex35ab8848ad

230511102125 has 16 divisors (see below), whose sum is σ = 287699261616. Its totient is φ = 184395160000.

The previous prime is 230511102109. The next prime is 230511102191. The reversal of 230511102125 is 521201115032.

It can be written as a sum of positive squares in 8 ways, for example, as 66474761929 + 164036340196 = 257827^2 + 405014^2 .

It is not a de Polignac number, because 230511102125 - 24 = 230511102109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230511102125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1826567 + ... + 1948683.

It is an arithmetic number, because the mean of its divisors is an integer number (17981203851).

Almost surely, 2230511102125 is an apocalyptic number.

230511102125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230511102125 is a deficient number, since it is larger than the sum of its proper divisors (57188159491).

230511102125 is a wasteful number, since it uses less digits than its factorization.

230511102125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137233 (or 137223 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 230511102125 its reverse (521201115032), we get a palindrome (751712217157).

The spelling of 230511102125 in words is "two hundred thirty billion, five hundred eleven million, one hundred two thousand, one hundred twenty-five".

Divisors: 1 5 25 125 15101 75505 122117 377525 610585 1887625 3052925 15264625 1844088817 9220444085 46102220425 230511102125