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64014538014539 = 79144934002077
BaseRepresentation
bin11101000111000100010111…
…10011000111111101001011
322101122201201012220212200022
432203202023303013331023
531342303233212431124
6344051512304331055
716324616633142560
oct1643421363077513
9271581635825608
1064014538014539
111944045a943222
12721a543313a8b
13299471158aa98
1411b446a79c867
15760272017c5e
hex3a388bcc7f4b

64014538014539 has 4 divisors (see below), whose sum is σ = 73159472016624. Its totient is φ = 54869604012456.

The previous prime is 64014538014527. The next prime is 64014538014613. The reversal of 64014538014539 is 93541083541046.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64014538014539 - 212 = 64014538010443 is a prime.

It is a super-2 number, since 2×640145380145392 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64014538014139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4572467001032 + ... + 4572467001045.

It is an arithmetic number, because the mean of its divisors is an integer number (18289868004156).

Almost surely, 264014538014539 is an apocalyptic number.

64014538014539 is a deficient number, since it is larger than the sum of its proper divisors (9144934002085).

64014538014539 is an equidigital number, since it uses as much as digits as its factorization.

64014538014539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9144934002084.

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 64014538014539 in words is "sixty-four trillion, fourteen billion, five hundred thirty-eight million, fourteen thousand, five hundred thirty-nine".

Divisors: 1 7 9144934002077 64014538014539