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64893110067231 = 33114591024346691
BaseRepresentation
bin11101100000101000110101…
…10001100010000000011111
322111202201110102020110012120
432300110122301202000133
532001202042134122411
6350003252212434023
716445241522314535
oct1660243261420037
9274681412213176
1064893110067231
111974a016967056
127340877318913
132a29517886c14
141204bb3d94155
15778043263106
hex3b051ac6201f

64893110067231 has 32 divisors (see below), whose sum is σ = 89387105034240. Its totient is φ = 41832846770400.

The previous prime is 64893110067229. The next prime is 64893110067239. The reversal of 64893110067231 is 13276001139846.

It is not a de Polignac number, because 64893110067231 - 21 = 64893110067229 is a prime.

It is a super-2 number, since 2×648931100672312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64893110067239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1389818596 + ... + 1389865286.

It is an arithmetic number, because the mean of its divisors is an integer number (2793347032320).

Almost surely, 264893110067231 is an apocalyptic number.

64893110067231 is a deficient number, since it is larger than the sum of its proper divisors (24493994967009).

64893110067231 is a wasteful number, since it uses less digits than its factorization.

64893110067231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58427.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 64893110067231 in words is "sixty-four trillion, eight hundred ninety-three billion, one hundred ten million, sixty-seven thousand, two hundred thirty-one".

Divisors: 1 3 31 93 1459 4377 10243 30729 45229 46691 135687 140073 317533 952599 1447421 4342263 14944537 44833611 68122169 204366507 463280647 478255913 1389841941 1434767739 2111787239 6335361717 14825933303 44477799909 697775377067 2093326131201 21631036689077 64893110067231