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64745820304 = 2411257832
BaseRepresentation
bin111100010011001001…
…101101000010010000
320012010020200110022121
4330103021231002100
52030044412222204
645424355344024
74451314251334
oct742311550220
9205106613277
1064745820304
1125505367100
121066b2b2014
13614aa41a99
1431c2cab7c4
151a3e1ebb54
hexf1326d090

64745820304 has 45 divisors (see below), whose sum is σ = 137909703379. Its totient is φ = 29424829280.

The previous prime is 64745820289. The next prime is 64745820331. The reversal of 64745820304 is 40302854746.

The square root of 64745820304 is 254452.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11192997 + ... + 11198779.

Almost surely, 264745820304 is an apocalyptic number.

64745820304 is the 254452-nd square number.

It is an amenable number.

64745820304 is an abundant number, since it is smaller than the sum of its proper divisors (73163883075).

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

64745820304 is an frugal number, since it uses more digits than its factorization.

64745820304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11596 (or 5796 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 64745820304 in words is "sixty-four billion, seven hundred forty-five million, eight hundred twenty thousand, three hundred four".

Divisors: 1 2 4 8 11 16 22 44 88 121 176 242 484 968 1936 5783 11566 23132 46264 63613 92528 127226 254452 508904 699743 1017808 1399486 2798972 5597944 11195888 33443089 66886178 133772356 267544712 367873979 535089424 735747958 1471495916 2942991832 4046613769 5885983664 8093227538 16186455076 32372910152 64745820304