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64522504705 = 585631507007
BaseRepresentation
bin111100000101110101…
…110100101000000001
320011112200110211220111
4330011311310220001
52024120230122310
645350301111321
74442633145421
oct740565645001
9204480424814
1064522504705
11254002a985a
1210608558541
1361136b3189
1431a137a481
151a297d928a
hexf05d74a01

64522504705 has 8 divisors (see below), whose sum is σ = 77436099072. Its totient is φ = 51611941488.

The previous prime is 64522504687. The next prime is 64522504759. The reversal of 64522504705 is 50740522546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-64522504705 is a prime.

It is a super-2 number, since 2×645225047052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian 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, 710689 + ... + 796318.

It is an arithmetic number, because the mean of its divisors is an integer number (9679512384).

Almost surely, 264522504705 is an apocalyptic number.

It is an amenable number.

64522504705 is a deficient number, since it is larger than the sum of its proper divisors (12913594367).

64522504705 is a wasteful number, since it uses less digits than its factorization.

64522504705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515575.

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 64522504705 in words is "sixty-four billion, five hundred twenty-two million, five hundred four thousand, seven hundred five".

Divisors: 1 5 8563 42815 1507007 7535035 12904500941 64522504705