Base | Representation |
---|---|
bin | 11100000011100100… |
… | …010010011101100101 |
3 | 2212202102210000201221 |
4 | 130003210102131211 |
5 | 443143400144100 |
6 | 21501123020341 |
7 | 2114342002264 |
oct | 340344223545 |
9 | 85672700657 |
10 | 30124615525 |
11 | 11859618574 |
12 | 5a0880a6b1 |
13 | 2ac1146ab4 |
14 | 165ac065db |
15 | bb4a4201a |
hex | 703912765 |
30124615525 has 12 divisors (see below), whose sum is σ = 37804580352. Its totient is φ = 23809333040.
The previous prime is 30124615511. The next prime is 30124615531. The reversal of 30124615525 is 52551642103.
It is not a de Polignac number, because 30124615525 - 213 = 30124607333 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7256869 + ... + 7261018.
It is an arithmetic number, because the mean of its divisors is an integer number (3150381696).
Almost surely, 230124615525 is an apocalyptic number.
It is an amenable number.
30124615525 is a deficient number, since it is larger than the sum of its proper divisors (7679964827).
30124615525 is a wasteful number, since it uses less digits than its factorization.
30124615525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14517980 (or 14517975 counting only the distinct ones).
The product of its (nonzero) digits is 36000, while the sum is 34.
The spelling of 30124615525 in words is "thirty billion, one hundred twenty-four million, six hundred fifteen thousand, five hundred twenty-five".
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