Base | Representation |
---|---|
bin | 11100000000100111… |
… | …011111111010100001 |
3 | 2212121222122200001200 |
4 | 130000213133322201 |
5 | 443043213003114 |
6 | 21452154151413 |
7 | 2113201230240 |
oct | 340047377241 |
9 | 85558580050 |
10 | 30075125409 |
11 | 1183369594a |
12 | 59b4122569 |
13 | 2ab3b097c4 |
14 | 1654402957 |
15 | bb0518409 |
hex | 7009dfea1 |
30075125409 has 12 divisors (see below), whose sum is σ = 49647826176. Its totient is φ = 17185785912.
The previous prime is 30075125401. The next prime is 30075125411. The reversal of 30075125409 is 90452157003.
30075125409 is a `hidden beast` number, since 30 + 0 + 75 + 12 + 540 + 9 = 666.
It is not a de Polignac number, because 30075125409 - 23 = 30075125401 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30075125401) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238691409 + ... + 238691534.
It is an arithmetic number, because the mean of its divisors is an integer number (4137318848).
Almost surely, 230075125409 is an apocalyptic number.
It is an amenable number.
30075125409 is a deficient number, since it is larger than the sum of its proper divisors (19572700767).
30075125409 is a wasteful number, since it uses less digits than its factorization.
30075125409 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 477382956 (or 477382953 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 36.
The spelling of 30075125409 in words is "thirty billion, seventy-five million, one hundred twenty-five thousand, four hundred nine".
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