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27312451151 = 195338517043
BaseRepresentation
bin11001011011111100…
…101110111001001111
32121111110012021102212
4121123330232321033
5421413441414101
620314104341035
71654554001316
oct313374567117
977443167385
1027312451151
1110646191887
125362a7477b
13276364aacb
14147153727d
15a9cc031bb
hex65bf2ee4f

27312451151 has 16 divisors (see below), whose sum is σ = 29304167040. Its totient is φ = 25376551200.

The previous prime is 27312451139. The next prime is 27312451183. The reversal of 27312451151 is 15115421372.

It is a cyclic number.

It is not a de Polignac number, because 27312451151 - 26 = 27312451087 is a prime.

It is a super-2 number, since 2×273124511512 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27312451121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3874436 + ... + 3881478.

It is an arithmetic number, because the mean of its divisors is an integer number (1831510440).

Almost surely, 227312451151 is an apocalyptic number.

27312451151 is a deficient number, since it is larger than the sum of its proper divisors (1991715889).

27312451151 is a wasteful number, since it uses less digits than its factorization.

27312451151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10966.

The product of its digits is 8400, while the sum is 32.

The spelling of 27312451151 in words is "twenty-seven billion, three hundred twelve million, four hundred fifty-one thousand, one hundred fifty-one".

Divisors: 1 19 53 1007 3851 7043 73169 133817 204103 373279 3877957 7092301 27122593 515329267 1437497429 27312451151