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27145136151 = 337143625059
BaseRepresentation
bin11001010001111110…
…011110100000010111
32121001210100210102000
4121101332132200113
5421043123324101
620245330250343
71650452564430
oct312176364027
977053323360
1027145136151
111056a7a3621
125316a269b3
132737a98953
141457222487
15a8d1a3486
hex651f9e817

27145136151 has 16 divisors (see below), whose sum is σ = 45960019200. Its totient is φ = 15511506264.

The previous prime is 27145136141. The next prime is 27145136159. The reversal of 27145136151 is 15163154172.

27145136151 is a `hidden beast` number, since 27 + 1 + 4 + 5 + 13 + 615 + 1 = 666.

It is not a de Polignac number, because 27145136151 - 25 = 27145136119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27145136159) 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, 71812341 + ... + 71812718.

It is an arithmetic number, because the mean of its divisors is an integer number (2872501200).

Almost surely, 227145136151 is an apocalyptic number.

27145136151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27145136151 is a deficient number, since it is larger than the sum of its proper divisors (18814883049).

27145136151 is a wasteful number, since it uses less digits than its factorization.

27145136151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143625075 (or 143625069 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The spelling of 27145136151 in words is "twenty-seven billion, one hundred forty-five million, one hundred thirty-six thousand, one hundred fifty-one".

Divisors: 1 3 7 9 21 27 63 189 143625059 430875177 1005375413 1292625531 3016126239 3877876593 9048378717 27145136151