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64482160815 = 3252695326903
BaseRepresentation
bin111100000011011011…
…111011000010101111
320011102212120011111100
4330003123323002233
52024024413121230
645342300254143
74441633215642
oct740333730257
9204385504440
1064482160815
112538a5538a6
12105b6b41353
136108228c57
143199c77a59
151a25eba660
hexf036fb0af

64482160815 has 24 divisors (see below), whose sum is σ = 112184598240. Its totient is φ = 34262633664.

The previous prime is 64482160781. The next prime is 64482160817. The reversal of 64482160815 is 51806128446.

It is a happy number.

64482160815 is a `hidden beast` number, since 6 + 4 + 4 + 8 + 21 + 608 + 15 = 666.

It is not a de Polignac number, because 64482160815 - 26 = 64482160751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64482160817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2651347 + ... + 2675556.

It is an arithmetic number, because the mean of its divisors is an integer number (4674358260).

Almost surely, 264482160815 is an apocalyptic number.

64482160815 is a deficient number, since it is larger than the sum of its proper divisors (47702437425).

64482160815 is a wasteful number, since it uses less digits than its factorization.

64482160815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327183 (or 5327180 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 64482160815 in words is "sixty-four billion, four hundred eighty-two million, one hundred sixty thousand, eight hundred fifteen".

Divisors: 1 3 5 9 15 45 269 807 1345 2421 4035 12105 5326903 15980709 26634515 47942127 79903545 239710635 1432936907 4298810721 7164684535 12896432163 21494053605 64482160815