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64000995607 = 1929312137217
BaseRepresentation
bin111011100110110000…
…011011000100010111
320010012100011102220201
4323212300123010113
52022033223324412
645222431241331
74424001325633
oct734660330427
9203170142821
1064000995607
11251629912aa
12104a1979247
13605c639b03
143151dc5dc3
1519e8b22e57
hexee6c1b117

64000995607 has 16 divisors (see below), whose sum is σ = 69716757600. Its totient is φ = 58521415680.

The previous prime is 64000995581. The next prime is 64000995629. The reversal of 64000995607 is 70659900046.

It is a cyclic number.

It is not a de Polignac number, because 64000995607 - 27 = 64000995479 is a prime.

It is a super-2 number, since 2×640009956072 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64000395607) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1701063 + ... + 1738279.

It is an arithmetic number, because the mean of its divisors is an integer number (4357297350).

Almost surely, 264000995607 is an apocalyptic number.

64000995607 is a deficient number, since it is larger than the sum of its proper divisors (5715761993).

64000995607 is a wasteful number, since it uses less digits than its factorization.

64000995607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40386.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 64000995607 in words is "sixty-four billion, nine hundred ninety-five thousand, six hundred seven".

Divisors: 1 19 29 551 3121 37217 59299 90509 707123 1079293 1719671 20506567 116154257 2206930883 3368473453 64000995607