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5725891912 = 231355056653
BaseRepresentation
bin1010101010100101…
…00010110101001000
3112210001021110001211
411111102202311020
543211312020122
62344101422504
7261615164266
oct52522426510
915701243054
105725891912
112479131384
12113970aa34
13703365130
143c4659436
15237a40877
hex1554a2d48

5725891912 has 16 divisors (see below), whose sum is σ = 11561897340. Its totient is φ = 2642719296.

The previous prime is 5725891823. The next prime is 5725891933. The reversal of 5725891912 is 2191985275.

It can be written as a sum of positive squares in 2 ways, for example, as 5554124676 + 171767236 = 74526^2 + 13106^2 .

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, 27528223 + ... + 27528430.

Almost surely, 25725891912 is an apocalyptic number.

5725891912 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5725891912 is an abundant number, since it is smaller than the sum of its proper divisors (5836005428).

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

5725891912 is a wasteful number, since it uses less digits than its factorization.

5725891912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55056672 (or 55056668 counting only the distinct ones).

The product of its digits is 453600, while the sum is 49.

The square root of 5725891912 is about 75669.6234429642. The cubic root of 5725891912 is about 1789.0166474471.

The spelling of 5725891912 in words is "five billion, seven hundred twenty-five million, eight hundred ninety-one thousand, nine hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 55056653 110113306 220226612 440453224 715736489 1431472978 2862945956 5725891912