Base | Representation |
---|---|
bin | 11100010001101000… |
… | …111110100101100001 |
3 | 2220100220001200020001 |
4 | 130101220332211201 |
5 | 444134321211412 |
6 | 21540355420001 |
7 | 2123236624510 |
oct | 342150764541 |
9 | 86326050201 |
10 | 30360725857 |
11 | 1196a924780 |
12 | 5a738b4601 |
13 | 2b2b035357 |
14 | 1680308677 |
15 | bca630957 |
hex | 711a3e961 |
30360725857 has 32 divisors (see below), whose sum is σ = 39672612864. Its totient is φ = 22529126400.
The previous prime is 30360725819. The next prime is 30360725891. The reversal of 30360725857 is 75852706303.
It is not a de Polignac number, because 30360725857 - 27 = 30360725729 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30360725897) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364257 + ... + 439777.
It is an arithmetic number, because the mean of its divisors is an integer number (1239769152).
Almost surely, 230360725857 is an apocalyptic number.
It is an amenable number.
30360725857 is a deficient number, since it is larger than the sum of its proper divisors (9311887007).
30360725857 is a wasteful number, since it uses less digits than its factorization.
30360725857 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75789.
The product of its (nonzero) digits is 1058400, while the sum is 46.
The spelling of 30360725857 in words is "thirty billion, three hundred sixty million, seven hundred twenty-five thousand, eight hundred fifty-seven".
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