Base | Representation |
---|---|
bin | 10000001111100… |
… | …01111001111111 |
3 | 100111101120200011 |
4 | 20013301321333 |
5 | 234340212101 |
6 | 21304244051 |
7 | 3243111112 |
oct | 1007617177 |
9 | 314346604 |
10 | 136257151 |
11 | 6aa06018 |
12 | 39770627 |
13 | 222c9844 |
14 | 1414c579 |
15 | be67751 |
hex | 81f1e7f |
136257151 has 4 divisors (see below), whose sum is σ = 143428600. Its totient is φ = 129085704.
The previous prime is 136257139. The next prime is 136257169. The reversal of 136257151 is 151752631.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151752631 = 71 ⋅2137361.
It is a cyclic number.
It is not a de Polignac number, because 136257151 - 25 = 136257119 is a prime.
It is a super-2 number, since 2×1362571512 = 37132022397273602, which 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 (136257101) 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 3 ways as a sum of consecutive naturals, for example, 3585696 + ... + 3585733.
It is an arithmetic number, because the mean of its divisors is an integer number (35857150).
Almost surely, 2136257151 is an apocalyptic number.
136257151 is a deficient number, since it is larger than the sum of its proper divisors (7171449).
136257151 is an equidigital number, since it uses as much as digits as its factorization.
136257151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7171448.
The product of its digits is 6300, while the sum is 31.
The square root of 136257151 is about 11672.9238410948. The cubic root of 136257151 is about 514.5802354497.
The spelling of 136257151 in words is "one hundred thirty-six million, two hundred fifty-seven thousand, one hundred fifty-one".
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