Base | Representation |
---|---|
bin | 11011111111100101… |
… | …11101101001110011 |
3 | 1102210101122200101100 |
4 | 31333302331221303 |
5 | 221234403434201 |
6 | 10523150535443 |
7 | 1041301056246 |
oct | 157762755163 |
9 | 42711580340 |
10 | 15028968051 |
11 | 6412508159 |
12 | 2ab5207583 |
13 | 155684c406 |
14 | a2800525d |
15 | 5ce637886 |
hex | 37fcbda73 |
15028968051 has 24 divisors (see below), whose sum is σ = 22417426304. Its totient is φ = 9692369280.
The previous prime is 15028968047. The next prime is 15028968079. The reversal of 15028968051 is 15086982051.
It is a happy number.
15028968051 is a `hidden beast` number, since 1 + 502 + 8 + 96 + 8 + 0 + 51 = 666.
It is not a de Polignac number, because 15028968051 - 22 = 15028968047 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 15028967988 and 15028968006.
It is not an unprimeable number, because it can be changed into a prime (15028968151) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 838455 + ... + 856191.
Almost surely, 215028968051 is an apocalyptic number.
15028968051 is a deficient number, since it is larger than the sum of its proper divisors (7388458253).
15028968051 is a wasteful number, since it uses less digits than its factorization.
15028968051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20811 (or 20808 counting only the distinct ones).
The product of its (nonzero) digits is 172800, while the sum is 45.
The spelling of 15028968051 in words is "fifteen billion, twenty-eight million, nine hundred sixty-eight thousand, fifty-one".
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