Base | Representation |
---|---|
bin | 11100101001010111… |
… | …110000011010001101 |
3 | 2221101122020012210122 |
4 | 130221113300122031 |
5 | 1000443232131100 |
6 | 22044101114325 |
7 | 2136143014604 |
oct | 345127603215 |
9 | 87348205718 |
10 | 30758864525 |
11 | 120546391a4 |
12 | 5b650b89a5 |
13 | 2b9267466c |
14 | 16bb146a3b |
15 | c00577985 |
hex | 7295f068d |
30758864525 has 12 divisors (see below), whose sum is σ = 38229499584. Its totient is φ = 24549990000.
The previous prime is 30758864503. The next prime is 30758864573. The reversal of 30758864525 is 52546885703.
It is a de Polignac number, because none of the positive numbers 2k-30758864525 is a prime.
It is a super-2 number, since 2×307588645252 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
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, 1416551 + ... + 1438100.
It is an arithmetic number, because the mean of its divisors is an integer number (3185791632).
Almost surely, 230758864525 is an apocalyptic number.
It is an amenable number.
30758864525 is a deficient number, since it is larger than the sum of its proper divisors (7470635059).
30758864525 is a wasteful number, since it uses less digits than its factorization.
30758864525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2855092 (or 2855087 counting only the distinct ones).
The product of its (nonzero) digits is 8064000, while the sum is 53.
The spelling of 30758864525 in words is "thirty billion, seven hundred fifty-eight million, eight hundred sixty-four thousand, five hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •