Base | Representation |
---|---|
bin | 10010110000100… |
… | …01101011011101 |
3 | 101222002122201012 |
4 | 21120101223131 |
5 | 310240440223 |
6 | 23340425005 |
7 | 3620346023 |
oct | 1130215335 |
9 | 358078635 |
10 | 157358813 |
11 | 80909007 |
12 | 44848165 |
13 | 267a7531 |
14 | 16c82713 |
15 | dc34c78 |
hex | 9611add |
157358813 has 8 divisors (see below), whose sum is σ = 160319520. Its totient is φ = 154416240.
The previous prime is 157358809. The next prime is 157358827. The reversal of 157358813 is 318853751.
157358813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 157358813 - 22 = 157358809 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157358213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13658 + ... + 22388.
It is an arithmetic number, because the mean of its divisors is an integer number (20039940).
Almost surely, 2157358813 is an apocalyptic number.
It is an amenable number.
157358813 is a deficient number, since it is larger than the sum of its proper divisors (2960707).
157358813 is an equidigital number, since it uses as much as digits as its factorization.
157358813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9067.
The product of its digits is 100800, while the sum is 41.
The square root of 157358813 is about 12544.2741121198. The cubic root of 157358813 is about 539.8797320181.
The spelling of 157358813 in words is "one hundred fifty-seven million, three hundred fifty-eight thousand, eight hundred thirteen".
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