Base | Representation |
---|---|
bin | 11100110000111010… |
… | …011101101100111111 |
3 | 2221201110100001120200 |
4 | 130300322131230333 |
5 | 1001223130402310 |
6 | 22104421214543 |
7 | 2142240412014 |
oct | 346072355477 |
9 | 87643301520 |
10 | 30885403455 |
11 | 1210a006825 |
12 | 5b9b561453 |
13 | 2bb294a97a |
14 | 16cdc8570b |
15 | c0b7209c0 |
hex | 730e9db3f |
30885403455 has 48 divisors (see below), whose sum is σ = 53927359200. Its totient is φ = 16351605504.
The previous prime is 30885403411. The next prime is 30885403481. The reversal of 30885403455 is 55430458803.
It is not a de Polignac number, because 30885403455 - 227 = 30751185727 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 30885403455.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13768564 + ... + 13770806.
It is an arithmetic number, because the mean of its divisors is an integer number (1123486650).
Almost surely, 230885403455 is an apocalyptic number.
30885403455 is a deficient number, since it is larger than the sum of its proper divisors (23041955745).
30885403455 is a wasteful number, since it uses less digits than its factorization.
30885403455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4360 (or 4357 counting only the distinct ones).
The product of its (nonzero) digits is 1152000, while the sum is 45.
The spelling of 30885403455 in words is "thirty billion, eight hundred eighty-five million, four hundred three thousand, four hundred fifty-five".
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