Base | Representation |
---|---|
bin | 11100011101001111… |
… | …000010100101000001 |
3 | 2220212110002200101011 |
4 | 130131033002211001 |
5 | 1000034121044212 |
6 | 22011545040521 |
7 | 2131121236300 |
oct | 343517024501 |
9 | 86773080334 |
10 | 30555253057 |
11 | 11a5a70995a |
12 | 5b08a86141 |
13 | 2b5c4245c4 |
14 | 169c0a4437 |
15 | bdc7584a7 |
hex | 71d3c2941 |
30555253057 has 24 divisors (see below), whose sum is σ = 36019855872. Its totient is φ = 25840332000.
The previous prime is 30555253039. The next prime is 30555253061. The reversal of 30555253057 is 75035255503.
It is a de Polignac number, because none of the positive numbers 2k-30555253057 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30555253037) 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, 3334432 + ... + 3343582.
It is an arithmetic number, because the mean of its divisors is an integer number (1500827328).
Almost surely, 230555253057 is an apocalyptic number.
It is an amenable number.
30555253057 is a deficient number, since it is larger than the sum of its proper divisors (5464602815).
30555253057 is an equidigital number, since it uses as much as digits as its factorization.
30555253057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10069 (or 10062 counting only the distinct ones).
The product of its (nonzero) digits is 393750, while the sum is 40.
The spelling of 30555253057 in words is "thirty billion, five hundred fifty-five million, two hundred fifty-three thousand, fifty-seven".
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