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25131434053 = 115397444403
BaseRepresentation
bin10111011001111100…
…110100000001000101
32101212110020010102211
4113121330310001011
5402432121342203
615313433503421
71546531444015
oct273174640105
971773203384
1025131434053
11a727048410
124a54571b71
1324a683494b
1413059dbc45
159c14d5c6d
hex5d9f34045

25131434053 has 16 divisors (see below), whose sum is σ = 28221431616. Its totient is φ = 22184547840.

The previous prime is 25131434047. The next prime is 25131434057. The reversal of 25131434053 is 35043413152.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25131434053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25131434057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165651 + ... + 278752.

It is an arithmetic number, because the mean of its divisors is an integer number (1763839476).

Almost surely, 225131434053 is an apocalyptic number.

It is an amenable number.

25131434053 is a deficient number, since it is larger than the sum of its proper divisors (3089997563).

25131434053 is a wasteful number, since it uses less digits than its factorization.

25131434053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444564.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 25131434053 in words is "twenty-five billion, one hundred thirty-one million, four hundred thirty-four thousand, fifty-three".

Divisors: 1 11 53 97 583 1067 5141 56551 444403 4888433 23553359 43107091 259086949 474178001 2284675823 25131434053