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64285268539 = 4144314892377
BaseRepresentation
bin111011110111101100…
…110101101000111011
320010221011002000001211
4323313230311220323
52023124012043124
645310544223551
74434022523662
oct736754655073
9203834060054
1064285268539
11252993a3808
121056100abb7
1360a64bc34b
14317ba63dd9
151a13a76e94
hexef7b35a3b

64285268539 has 16 divisors (see below), whose sum is σ = 66073966560. Its totient is φ = 62507427840.

The previous prime is 64285268501. The next prime is 64285268543. The reversal of 64285268539 is 93586258246.

It is a cyclic number.

It is not a de Polignac number, because 64285268539 - 215 = 64285235771 is a prime.

It is a super-2 number, since 2×642852685392 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64285268039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27043519 + ... + 27045895.

It is an arithmetic number, because the mean of its divisors is an integer number (4129622910).

Almost surely, 264285268539 is an apocalyptic number.

64285268539 is a deficient number, since it is larger than the sum of its proper divisors (1788698021).

64285268539 is a wasteful number, since it uses less digits than its factorization.

64285268539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4350.

The product of its digits is 24883200, while the sum is 58.

The spelling of 64285268539 in words is "sixty-four billion, two hundred eighty-five million, two hundred sixty-eight thousand, five hundred thirty-nine".

Divisors: 1 41 443 1489 2377 18163 61049 97457 659627 1053011 3539353 27044707 43173451 145113473 1567933379 64285268539