Base | Representation |
---|---|
bin | 10101110001111110… |
… | …010111000110101010 |
3 | 2020100212210011202012 |
4 | 111301332113012222 |
5 | 340344033300300 |
6 | 14424400435522 |
7 | 1455360205010 |
oct | 256176270652 |
9 | 66325704665 |
10 | 23387009450 |
11 | 9a113a2392 |
12 | 4648318ba2 |
13 | 228930293c |
14 | 11bc0708b0 |
15 | 91d2a9435 |
hex | 571f971aa |
23387009450 has 24 divisors (see below), whose sum is σ = 49714100832. Its totient is φ = 8018403120.
The previous prime is 23387009447. The next prime is 23387009461. The reversal of 23387009450 is 5490078332.
It is a super-2 number, since 2×233870094502 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23387009398 and 23387009407.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33409664 + ... + 33410363.
It is an arithmetic number, because the mean of its divisors is an integer number (2071420868).
Almost surely, 223387009450 is an apocalyptic number.
23387009450 is an abundant number, since it is smaller than the sum of its proper divisors (26327091382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23387009450 is a wasteful number, since it uses less digits than its factorization.
23387009450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66820046 (or 66820041 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 41.
The spelling of 23387009450 in words is "twenty-three billion, three hundred eighty-seven million, nine thousand, four hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •