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231514045021125 = 3253205790262241
BaseRepresentation
bin110100101000111110010000…
…011010011111101111000101
31010100201112012212010221201200
4310220332100122133233011
5220321111231011134000
62140220030052013113
766523223600241036
oct6450762032375705
91110645185127650
10231514045021125
1167849611945a69
1221b70b81301199
139c248b08576c9
1441254a7ab2a8d
151bb732928a500
hexd28f9069fbc5

231514045021125 has 24 divisors (see below), whose sum is σ = 417342651826776. Its totient is φ = 123474157344000.

The previous prime is 231514045021123. The next prime is 231514045021201. The reversal of 231514045021125 is 521120540415132.

231514045021125 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 140 + 4 + 502 + 1 + 1 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 52569776961 + 231461475244164 = 229281^2 + 15213858^2 .

It is not a de Polignac number, because 231514045021125 - 21 = 231514045021123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231514045021125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231514045021123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102895129996 + ... + 102895132245.

It is an arithmetic number, because the mean of its divisors is an integer number (17389277159449).

Almost surely, 2231514045021125 is an apocalyptic number.

231514045021125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231514045021125 is a deficient number, since it is larger than the sum of its proper divisors (185828606805651).

231514045021125 is a wasteful number, since it uses less digits than its factorization.

231514045021125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205790262262 (or 205790262249 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 231514045021125 its reverse (521120540415132), we get a palindrome (752634585436257).

The spelling of 231514045021125 in words is "two hundred thirty-one trillion, five hundred fourteen billion, forty-five million, twenty-one thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 125 225 375 1125 205790262241 617370786723 1028951311205 1852112360169 3086853933615 5144756556025 9260561800845 15434269668075 25723782780125 46302809004225 77171348340375 231514045021125