Base | Representation |
---|---|
bin | 11011111111001011… |
… | …101101111110010001 |
3 | 2212120022101022102000 |
4 | 123333023231332101 |
5 | 443021033100440 |
6 | 21445534344213 |
7 | 2112456562401 |
oct | 337713557621 |
9 | 85508338360 |
10 | 30051065745 |
11 | 11821052528 |
12 | 59a805b069 |
13 | 2aabb3460c |
14 | 165113c801 |
15 | bad364730 |
hex | 6ff2edf91 |
30051065745 has 32 divisors (see below), whose sum is σ = 53782704000. Its totient is φ = 15919659072.
The previous prime is 30051065729. The next prime is 30051065747. The reversal of 30051065745 is 54756015003.
30051065745 is a `hidden beast` number, since 30 + 0 + 51 + 0 + 6 + 574 + 5 = 666.
It is not a de Polignac number, because 30051065745 - 24 = 30051065729 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30051065747) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 726867 + ... + 767096.
It is an arithmetic number, because the mean of its divisors is an integer number (1680709500).
Almost surely, 230051065745 is an apocalyptic number.
It is an amenable number.
30051065745 is a deficient number, since it is larger than the sum of its proper divisors (23731638255).
30051065745 is a wasteful number, since it uses less digits than its factorization.
30051065745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1494126 (or 1494120 counting only the distinct ones).
The product of its (nonzero) digits is 63000, while the sum is 36.
The spelling of 30051065745 in words is "thirty billion, fifty-one million, sixty-five thousand, seven hundred forty-five".
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