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64315444524 = 22319282085283
BaseRepresentation
bin111011111001011111…
…111100110100101100
320011000020212002201220
4323321133330310230
52023204223211044
645313543103340
74434540154422
oct737137746454
9204006762656
1064315444524
1125304434441
121056b141b50
1360ac826466
143181a7b112
151a16538019
hexef97fcd2c

64315444524 has 24 divisors (see below), whose sum is σ = 157967759040. Its totient is φ = 20310140304.

The previous prime is 64315444493. The next prime is 64315444601. The reversal of 64315444524 is 42544451346.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141042414 + ... + 141042869.

It is an arithmetic number, because the mean of its divisors is an integer number (6581989960).

Almost surely, 264315444524 is an apocalyptic number.

It is an amenable number.

64315444524 is an abundant number, since it is smaller than the sum of its proper divisors (93652314516).

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

64315444524 is a wasteful number, since it uses less digits than its factorization.

64315444524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282085309 (or 282085307 counting only the distinct ones).

The product of its digits is 921600, while the sum is 42.

The spelling of 64315444524 in words is "sixty-four billion, three hundred fifteen million, four hundred forty-four thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 282085283 564170566 846255849 1128341132 1692511698 3385023396 5359620377 10719240754 16078861131 21438481508 32157722262 64315444524