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25600001344 = 261723529413
BaseRepresentation
bin10111110101111000…
…010000010101000000
32110002002220210220221
4113311320100111000
5404412100020334
615432132512424
71564251264301
oct276570202500
973062823827
1025600001344
11a947595a05
124b6547b714
13254c9328b8
14134bd307a8
159ec6e08b4
hex5f5e10540

25600001344 has 28 divisors (see below), whose sum is σ = 53788240404. Its totient is φ = 12047058944.

The previous prime is 25600001321. The next prime is 25600001353. The reversal of 25600001344 is 44310000652.

It can be written as a sum of positive squares in 2 ways, for example, as 22526407744 + 3073593600 = 150088^2 + 55440^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11763619 + ... + 11765794.

Almost surely, 225600001344 is an apocalyptic number.

It is an amenable number.

25600001344 is an abundant number, since it is smaller than the sum of its proper divisors (28188239060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25600001344 is a wasteful number, since it uses less digits than its factorization.

25600001344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23529442 (or 23529432 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 25600001344 its reverse (44310000652), we get a palindrome (69910001996).

The spelling of 25600001344 in words is "twenty-five billion, six hundred million, one thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 23529413 47058826 94117652 188235304 376470608 400000021 752941216 800000042 1505882432 1600000084 3200000168 6400000336 12800000672 25600001344