Base | Representation |
---|---|
bin | 11100101111001010… |
… | …010110110010110001 |
3 | 2221122102000222020022 |
4 | 130233022112302301 |
5 | 1001143114440100 |
6 | 22101451253225 |
7 | 2141432541323 |
oct | 345712266261 |
9 | 87572028208 |
10 | 30856015025 |
11 | 120a4463870 |
12 | 5b9174a215 |
13 | 2ba982b174 |
14 | 16c9dd5613 |
15 | c08d67e85 |
hex | 72f296cb1 |
30856015025 has 24 divisors (see below), whose sum is σ = 41785048800. Its totient is φ = 22416396800.
The previous prime is 30856015007. The next prime is 30856015049. The reversal of 30856015025 is 52051065803.
It is not a de Polignac number, because 30856015025 - 26 = 30856014961 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195086 + ... + 315864.
It is an arithmetic number, because the mean of its divisors is an integer number (1741043700).
Almost surely, 230856015025 is an apocalyptic number.
It is an amenable number.
30856015025 is a deficient number, since it is larger than the sum of its proper divisors (10929033775).
30856015025 is a wasteful number, since it uses less digits than its factorization.
30856015025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121729 (or 121724 counting only the distinct ones).
The product of its (nonzero) digits is 36000, while the sum is 35.
The spelling of 30856015025 in words is "thirty billion, eight hundred fifty-six million, fifteen thousand, twenty-five".
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