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64899360201 = 3136737247007
BaseRepresentation
bin111100011100010011…
…011010010111001001
320012111221121002110110
4330130103122113021
52030403214011301
645451522304533
74455160313454
oct743423322711
9205457532413
1064899360201
1125583aa6985
12106b27b8149
1361737accb0
1431d943849b
151a4c92a0d6
hexf1c4da5c9

64899360201 has 16 divisors (see below), whose sum is σ = 93203034624. Its totient is φ = 39931977984.

The previous prime is 64899360139. The next prime is 64899360203. The reversal of 64899360201 is 10206399846.

It is not a de Polignac number, because 64899360201 - 29 = 64899359689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64899360203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139240 + ... + 386246.

It is an arithmetic number, because the mean of its divisors is an integer number (5825189664).

Almost surely, 264899360201 is an apocalyptic number.

It is an amenable number.

64899360201 is a deficient number, since it is larger than the sum of its proper divisors (28303674423).

64899360201 is a wasteful number, since it uses less digits than its factorization.

64899360201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253760.

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 64899360201 in words is "sixty-four billion, eight hundred ninety-nine million, three hundred sixty thousand, two hundred one".

Divisors: 1 3 13 39 6737 20211 87581 247007 262743 741021 3211091 9633273 1664086159 4992258477 21633120067 64899360201