Base | Representation |
---|---|
bin | 10010110011111… |
… | …01101010010011 |
3 | 101222221010102110 |
4 | 21121331222103 |
5 | 310344113412 |
6 | 23354120403 |
7 | 3624200352 |
oct | 1131755223 |
9 | 358833373 |
10 | 157801107 |
11 | 81090342 |
12 | 44a20103 |
13 | 26900949 |
14 | 16d59999 |
15 | dcc0d3c |
hex | 967da93 |
157801107 has 16 divisors (see below), whose sum is σ = 213788960. Its totient is φ = 103514112.
The previous prime is 157801097. The next prime is 157801109. The reversal of 157801107 is 701108751.
It is a happy number.
It is not a de Polignac number, because 157801107 - 214 = 157784723 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (157801109) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167943 + ... + 168879.
It is an arithmetic number, because the mean of its divisors is an integer number (13361810).
Almost surely, 2157801107 is an apocalyptic number.
157801107 is a deficient number, since it is larger than the sum of its proper divisors (55987853).
157801107 is an equidigital number, since it uses as much as digits as its factorization.
157801107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1782.
The product of its (nonzero) digits is 1960, while the sum is 30.
The square root of 157801107 is about 12561.8910598683. The cubic root of 157801107 is about 540.3850785556.
Adding to 157801107 its reverse (701108751), we get a palindrome (858909858).
The spelling of 157801107 in words is "one hundred fifty-seven million, eight hundred one thousand, one hundred seven".
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