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25471910941 is a prime number
BaseRepresentation
bin10111101110001111…
…101000010000011101
32102202011220010220221
4113232033220100131
5404131302122231
615411315241341
71561134446011
oct275617502035
972664803827
1025471910941
11a891258774
124b2a5a9251
13252c235369
141338d0a541
159e133cd11
hex5ee3e841d

25471910941 has 2 divisors, whose sum is σ = 25471910942. Its totient is φ = 25471910940.

The previous prime is 25471910881. The next prime is 25471910963. The reversal of 25471910941 is 14901917452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24981066916 + 490844025 = 158054^2 + 22155^2 .

It is a cyclic number.

It is not a de Polignac number, because 25471910941 - 27 = 25471910813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25471910741) 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 as a sum of consecutive naturals, namely, 12735955470 + 12735955471.

It is an arithmetic number, because the mean of its divisors is an integer number (12735955471).

Almost surely, 225471910941 is an apocalyptic number.

It is an amenable number.

25471910941 is a deficient number, since it is larger than the sum of its proper divisors (1).

25471910941 is an equidigital number, since it uses as much as digits as its factorization.

25471910941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 25471910941 in words is "twenty-five billion, four hundred seventy-one million, nine hundred ten thousand, nine hundred forty-one".