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64025177828 = 2271225440767
BaseRepresentation
bin111011101000001100…
…101010111011100100
320010021000200000200112
4323220030222323210
52022110421142303
645225053432152
74424414014013
oct735014527344
9203230600615
1064025177828
11251755a8807
12104a9a9b658
136064655a11
1431552bca7a
1519eaced0d8
hexee832aee4

64025177828 has 12 divisors (see below), whose sum is σ = 113622147072. Its totient is φ = 31561707240.

The previous prime is 64025177791. The next prime is 64025177833. The reversal of 64025177828 is 82877152046.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 112720100 + ... + 112720667.

It is an arithmetic number, because the mean of its divisors is an integer number (9468512256).

Almost surely, 264025177828 is an apocalyptic number.

It is an amenable number.

64025177828 is a deficient number, since it is larger than the sum of its proper divisors (49596969244).

64025177828 is a wasteful number, since it uses less digits than its factorization.

64025177828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225440842 (or 225440840 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 50.

The spelling of 64025177828 in words is "sixty-four billion, twenty-five million, one hundred seventy-seven thousand, eight hundred twenty-eight".

Divisors: 1 2 4 71 142 284 225440767 450881534 901763068 16006294457 32012588914 64025177828