Base | Representation |
---|---|
bin | 11001010001111110… |
… | …011110100000010111 |
3 | 2121001210100210102000 |
4 | 121101332132200113 |
5 | 421043123324101 |
6 | 20245330250343 |
7 | 1650452564430 |
oct | 312176364027 |
9 | 77053323360 |
10 | 27145136151 |
11 | 1056a7a3621 |
12 | 5316a269b3 |
13 | 2737a98953 |
14 | 1457222487 |
15 | a8d1a3486 |
hex | 651f9e817 |
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".
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