Base | Representation |
---|---|
bin | 10110001010111001… |
… | …001010101010000011 |
3 | 2021110000110021012000 |
4 | 112022321022222003 |
5 | 342223100000042 |
6 | 14534053235043 |
7 | 1501624553124 |
oct | 261271125203 |
9 | 67400407160 |
10 | 23805078147 |
11 | a106389604 |
12 | 4744332a83 |
13 | 2324acc576 |
14 | 121b7ba04b |
15 | 944d3b74c |
hex | 58ae4aa83 |
23805078147 has 16 divisors (see below), whose sum is σ = 35451432960. Its totient is φ = 15786959400.
The previous prime is 23805078109. The next prime is 23805078149. The reversal of 23805078147 is 74187050832.
23805078147 is a `hidden beast` number, since 23 + 8 + 0 + 507 + 81 + 47 = 666.
It is not a de Polignac number, because 23805078147 - 219 = 23804553859 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (23805078149) 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, 2302879 + ... + 2313192.
It is an arithmetic number, because the mean of its divisors is an integer number (2215714560).
Almost surely, 223805078147 is an apocalyptic number.
23805078147 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
23805078147 is a deficient number, since it is larger than the sum of its proper divisors (11646354813).
23805078147 is a wasteful number, since it uses less digits than its factorization.
23805078147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4616271 (or 4616265 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 45.
The spelling of 23805078147 in words is "twenty-three billion, eight hundred five million, seventy-eight thousand, one hundred forty-seven".
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