Base | Representation |
---|---|
bin | 10010110000001… |
… | …10110111010001 |
3 | 101222000101221110 |
4 | 21120012313101 |
5 | 310233031023 |
6 | 23335443533 |
7 | 3620102616 |
oct | 1130066721 |
9 | 358011843 |
10 | 157314513 |
11 | 808887a4 |
12 | 448265a9 |
13 | 26790315 |
14 | 16c7050d |
15 | dc26a93 |
hex | 9606dd1 |
157314513 has 4 divisors (see below), whose sum is σ = 209752688. Its totient is φ = 104876340.
The previous prime is 157314449. The next prime is 157314533. The reversal of 157314513 is 315413751.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 315413751 = 3 ⋅105137917.
It is not a de Polignac number, because 157314513 - 26 = 157314449 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (157314533) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26219083 + ... + 26219088.
It is an arithmetic number, because the mean of its divisors is an integer number (52438172).
Almost surely, 2157314513 is an apocalyptic number.
It is an amenable number.
157314513 is a deficient number, since it is larger than the sum of its proper divisors (52438175).
157314513 is an equidigital number, since it uses as much as digits as its factorization.
157314513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52438174.
The product of its digits is 6300, while the sum is 30.
The square root of 157314513 is about 12542.5082419746. The cubic root of 157314513 is about 539.8290645523.
The spelling of 157314513 in words is "one hundred fifty-seven million, three hundred fourteen thousand, five hundred thirteen".
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