Base | Representation |
---|---|
bin | 10101100011000101… |
… | …110000011110101011 |
3 | 2012201110220010021102 |
4 | 111203011300132223 |
5 | 334341121241110 |
6 | 14343520232015 |
7 | 1446235502300 |
oct | 254305603653 |
9 | 65643803242 |
10 | 23137290155 |
11 | 98a3440601 |
12 | 459876b60b |
13 | 224965ac45 |
14 | 1196c290a7 |
15 | 9063cd5a5 |
hex | 5631707ab |
23137290155 has 48 divisors (see below), whose sum is σ = 32709044160. Its totient is φ = 15664497408.
The previous prime is 23137290133. The next prime is 23137290157. The reversal of 23137290155 is 55109273132.
It is a happy number.
It is not a de Polignac number, because 23137290155 - 26 = 23137290091 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23137290157) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9815237 + ... + 9817593.
It is an arithmetic number, because the mean of its divisors is an integer number (681438420).
Almost surely, 223137290155 is an apocalyptic number.
23137290155 is a deficient number, since it is larger than the sum of its proper divisors (9571754005).
23137290155 is a wasteful number, since it uses less digits than its factorization.
23137290155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2868 (or 2861 counting only the distinct ones).
The product of its (nonzero) digits is 56700, while the sum is 38.
The spelling of 23137290155 in words is "twenty-three billion, one hundred thirty-seven million, two hundred ninety thousand, one hundred fifty-five".
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