Base | Representation |
---|---|
bin | 11100011010101100… |
… | …000010011111110111 |
3 | 2220202110200210002220 |
4 | 130122230002133313 |
5 | 444442201221010 |
6 | 22003421133423 |
7 | 2130062111514 |
oct | 343254023767 |
9 | 86673623086 |
10 | 30512523255 |
11 | 11a38584375 |
12 | 5ab66ba273 |
13 | 2b536133b6 |
14 | 169654030b |
15 | bd8b17970 |
hex | 71ab027f7 |
30512523255 has 8 divisors (see below), whose sum is σ = 48820037232. Its totient is φ = 16273345728.
The previous prime is 30512523247. The next prime is 30512523257. The reversal of 30512523255 is 55232521503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30512523255 - 23 = 30512523247 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30512523257) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017084094 + ... + 1017084123.
It is an arithmetic number, because the mean of its divisors is an integer number (6102504654).
Almost surely, 230512523255 is an apocalyptic number.
30512523255 is a deficient number, since it is larger than the sum of its proper divisors (18307513977).
30512523255 is a wasteful number, since it uses less digits than its factorization.
30512523255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2034168225.
The product of its (nonzero) digits is 45000, while the sum is 33.
The spelling of 30512523255 in words is "thirty billion, five hundred twelve million, five hundred twenty-three thousand, two hundred fifty-five".
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