Base | Representation |
---|---|
bin | 11100000000110101… |
… | …110000011011010001 |
3 | 2212122020200120011002 |
4 | 130000311300123101 |
5 | 443100142104212 |
6 | 21452410231345 |
7 | 2113245055205 |
oct | 340065603321 |
9 | 85566616132 |
10 | 30078863057 |
11 | 11835809011 |
12 | 59b5425555 |
13 | 2ab4817b29 |
14 | 1654ad6b05 |
15 | bb0a05ac2 |
hex | 700d706d1 |
30078863057 has 8 divisors (see below), whose sum is σ = 30123926784. Its totient is φ = 30033824688.
The previous prime is 30078863053. The next prime is 30078863071. The reversal of 30078863057 is 75036887003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30078863057 - 22 = 30078863053 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30078863051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4901363 + ... + 4907495.
It is an arithmetic number, because the mean of its divisors is an integer number (3765490848).
Almost surely, 230078863057 is an apocalyptic number.
It is an amenable number.
30078863057 is a deficient number, since it is larger than the sum of its proper divisors (45063727).
30078863057 is an equidigital number, since it uses as much as digits as its factorization.
30078863057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12679.
The product of its (nonzero) digits is 846720, while the sum is 47.
The spelling of 30078863057 in words is "thirty billion, seventy-eight million, eight hundred sixty-three thousand, fifty-seven".
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