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25041234231 = 3213569376147
BaseRepresentation
bin10111010100100100…
…101110100100110111
32101122011111111112200
4113110210232210313
5402241023443411
615300452315543
71544354656536
oct272444564467
971564444480
1025041234231
11a69013aa02
124a2a312bb3
132490c42a80
1412d7a3c31d
159b8619e56
hex5d492e937

25041234231 has 24 divisors (see below), whose sum is σ = 39021593520. Its totient is φ = 15382866816.

The previous prime is 25041234223. The next prime is 25041234233. The reversal of 25041234231 is 13243214052.

25041234231 is a `hidden beast` number, since 2 + 504 + 123 + 4 + 2 + 31 = 666.

It is not a de Polignac number, because 25041234231 - 23 = 25041234223 is a prime.

It is a super-2 number, since 2×250412342312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25041234195 and 25041234204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25041234233) 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 23 ways as a sum of consecutive naturals, for example, 121501 + ... + 254646.

It is an arithmetic number, because the mean of its divisors is an integer number (1625899730).

Almost surely, 225041234231 is an apocalyptic number.

25041234231 is a deficient number, since it is larger than the sum of its proper divisors (13980359289).

25041234231 is a wasteful number, since it uses less digits than its factorization.

25041234231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376735 (or 376732 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 25041234231 its reverse (13243214052), we get a palindrome (38284448283).

The spelling of 25041234231 in words is "twenty-five billion, forty-one million, two hundred thirty-four thousand, two hundred thirty-one".

Divisors: 1 3 9 13 39 117 569 1707 5121 7397 22191 66573 376147 1128441 3385323 4889911 14669733 44009199 214027643 642082929 1926248787 2782359359 8347078077 25041234231