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8640282907 = 591676731303
BaseRepresentation
bin10000000110000000…
…00100000100011011
3211022011012211221001
420003000010010123
5120143403023112
63545211125431
7424054123114
oct100300040433
924264184831
108640282907
11373423a483
121811743877
13a790a4249
145bd73920b
15358823c57
hex20300411b

8640282907 has 16 divisors (see below), whose sum is σ = 8859271680. Its totient is φ = 8423960832.

The previous prime is 8640282863. The next prime is 8640282913. The reversal of 8640282907 is 7092820468.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8640282907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8640282947) 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, 6630418 + ... + 6631720.

It is an arithmetic number, because the mean of its divisors is an integer number (553704480).

Almost surely, 28640282907 is an apocalyptic number.

8640282907 is a deficient number, since it is larger than the sum of its proper divisors (218988773).

8640282907 is a wasteful number, since it uses less digits than its factorization.

8640282907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 8640282907 is about 92953.1220938813. The cubic root of 8640282907 is about 2051.9935322567.

The spelling of 8640282907 in words is "eight billion, six hundred forty million, two hundred eighty-two thousand, nine hundred seven".

Divisors: 1 59 167 673 1303 9853 39707 76877 112391 217601 876919 6631069 12838459 51738221 146445473 8640282907