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64000000163 = 1171731122551
BaseRepresentation
bin111011100110101100…
…101000000010100011
320010012021021212102102
4323212230220002203
52022033000001123
645222354041015
74423660011521
oct734654500243
9203167255372
1064000000163
1125162371420
12104a157916b
13605c37b9a8
143151c07311
1519e89c8028
hexee6b280a3

64000000163 has 16 divisors (see below), whose sum is σ = 71771484672. Its totient is φ = 56576520000.

The previous prime is 64000000111. The next prime is 64000000187. The reversal of 64000000163 is 36100000046.

It is not a de Polignac number, because 64000000163 - 214 = 63999983779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64000000193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504263 + ... + 618288.

It is an arithmetic number, because the mean of its divisors is an integer number (4485717792).

Almost surely, 264000000163 is an apocalyptic number.

64000000163 is a deficient number, since it is larger than the sum of its proper divisors (7771484509).

64000000163 is a wasteful number, since it uses less digits than its factorization.

64000000163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122706.

The product of its (nonzero) digits is 432, while the sum is 20.

The spelling of 64000000163 in words is "sixty-four billion, one hundred sixty-three", and thus it is an aban number.

Divisors: 1 11 71 73 781 803 5183 57013 1122551 12348061 79701121 81946223 876712331 901408453 5818181833 64000000163