Base | Representation |
---|---|
bin | 10010101111000… |
… | …00100100011111 |
3 | 101221201102210012 |
4 | 21113200210133 |
5 | 310213021123 |
6 | 23332233435 |
7 | 3615550415 |
oct | 1127404437 |
9 | 357642705 |
10 | 157157663 |
11 | 80790973 |
12 | 4476b87b |
13 | 26736b00 |
14 | 16c2d2b5 |
15 | dbe5378 |
hex | 95e091f |
157157663 has 12 divisors (see below), whose sum is σ = 171068400. Its totient is φ = 144308736.
The previous prime is 157157657. The next prime is 157157669. The reversal of 157157663 is 366751751.
157157663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (157157657) and next prime (157157669).
It is not a de Polignac number, because 157157663 - 212 = 157153567 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 157157663.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157157669) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31295 + ... + 35967.
It is an arithmetic number, because the mean of its divisors is an integer number (14255700).
Almost surely, 2157157663 is an apocalyptic number.
157157663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
157157663 is a deficient number, since it is larger than the sum of its proper divisors (13910737).
157157663 is a wasteful number, since it uses less digits than its factorization.
157157663 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4898 (or 4885 counting only the distinct ones).
The product of its digits is 132300, while the sum is 41.
The square root of 157157663 is about 12536.2539460558. The cubic root of 157157663 is about 539.6495932001.
The spelling of 157157663 in words is "one hundred fifty-seven million, one hundred fifty-seven thousand, six hundred sixty-three".
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