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64514131024 = 2471573668911
BaseRepresentation
bin111100000101010101…
…111000010001010000
320011112002201102101011
4330011111320101100
52024111104143044
645345401420304
74442502031360
oct740525702120
9204462642334
1064514131024
11253a65aa562
121060579a694
136111a40935
1431a01da9a0
151a28bd3134
hexf05578450

64514131024 has 40 divisors (see below), whose sum is σ = 143762647808. Its totient is φ = 27472798080.

The previous prime is 64514131009. The next prime is 64514131057. The reversal of 64514131024 is 42013141546.

It is a congruent number.

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, 1816872 + ... + 1852039.

Almost surely, 264514131024 is an apocalyptic number.

It is an amenable number.

64514131024 is an abundant number, since it is smaller than the sum of its proper divisors (79248516784).

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

64514131024 is a wasteful number, since it uses less digits than its factorization.

64514131024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669083 (or 3669077 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 64514131024 in words is "sixty-four billion, five hundred fourteen million, one hundred thirty-one thousand, twenty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 157 314 628 1099 1256 2198 2512 4396 8792 17584 3668911 7337822 14675644 25682377 29351288 51364754 58702576 102729508 205459016 410918032 576019027 1152038054 2304076108 4032133189 4608152216 8064266378 9216304432 16128532756 32257065512 64514131024