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25939417241 = 172279132159
BaseRepresentation
bin11000001010000111…
…000001100010011001
32110221202120221000002
4120022013001202121
5411110442322431
615525535422345
71605542260103
oct301207014231
973852527002
1025939417241
1110001141111
12503b0849b5
1325a50513ca
141381044573
15a1c3d83cb
hex60a1c1899

25939417241 has 12 divisors (see below), whose sum is σ = 27565751040. Its totient is φ = 24404063040.

The previous prime is 25939417211. The next prime is 25939417249. The reversal of 25939417241 is 14271493952.

It is not a de Polignac number, because 25939417241 - 214 = 25939400857 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25939417249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 790520 + ... + 822678.

It is an arithmetic number, because the mean of its divisors is an integer number (2297145920).

Almost surely, 225939417241 is an apocalyptic number.

It is an amenable number.

25939417241 is a deficient number, since it is larger than the sum of its proper divisors (1626333799).

25939417241 is a wasteful number, since it uses less digits than its factorization.

25939417241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34984 (or 34967 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The spelling of 25939417241 in words is "twenty-five billion, nine hundred thirty-nine million, four hundred seventeen thousand, two hundred forty-one".

Divisors: 1 17 289 2791 32159 47447 546703 806599 9293951 89755769 1525848073 25939417241