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8137066664 = 231079505919
BaseRepresentation
bin1111001010000000…
…11100100010101000
3210000002022211000102
413211000130202220
5113131042113124
63423233324532
7405433632266
oct74500344250
923002284012
108137066664
1134a6186691
1216b1106748
139c8a6425c
14572987436
15329572aae
hex1e501c8a8

8137066664 has 16 divisors (see below), whose sum is σ = 15399590400. Its totient is φ = 4030509232.

The previous prime is 8137066579. The next prime is 8137066669. The reversal of 8137066664 is 4666607318.

It is not an unprimeable number, because it can be changed into a prime (8137066669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4752104 + ... + 4753815.

It is an arithmetic number, because the mean of its divisors is an integer number (962474400).

Almost surely, 28137066664 is an apocalyptic number.

It is an amenable number.

8137066664 is a deficient number, since it is larger than the sum of its proper divisors (7262523736).

8137066664 is a wasteful number, since it uses less digits than its factorization.

8137066664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9506032 (or 9506028 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 8137066664 is about 90205.6908626058. The cubic root of 8137066664 is about 2011.3576023449.

The spelling of 8137066664 in words is "eight billion, one hundred thirty-seven million, sixty-six thousand, six hundred sixty-four".

Divisors: 1 2 4 8 107 214 428 856 9505919 19011838 38023676 76047352 1017133333 2034266666 4068533332 8137066664