Base | Representation |
---|---|
bin | 11100100110100110… |
… | …011101000100101010 |
3 | 2221021101202212000122 |
4 | 130212212131010222 |
5 | 1000344332321314 |
6 | 22035321003242 |
7 | 2135036654324 |
oct | 344646350452 |
9 | 87241685018 |
10 | 30712385834 |
11 | 12030383059 |
12 | 5b51623522 |
13 | 2b85b4cc90 |
14 | 16b4cc8614 |
15 | beb44628e |
hex | 72699d12a |
30712385834 has 64 divisors (see below), whose sum is σ = 52239914496. Its totient is φ = 13446860544.
The previous prime is 30712385791. The next prime is 30712385839. The reversal of 30712385834 is 43858321703.
It is not an unprimeable number, because it can be changed into a prime (30712385839) 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, 8512859 + ... + 8516465.
It is an arithmetic number, because the mean of its divisors is an integer number (816248664).
Almost surely, 230712385834 is an apocalyptic number.
30712385834 is a deficient number, since it is larger than the sum of its proper divisors (21527528662).
30712385834 is a wasteful number, since it uses less digits than its factorization.
30712385834 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3879.
The product of its (nonzero) digits is 483840, while the sum is 44.
The spelling of 30712385834 in words is "thirty billion, seven hundred twelve million, three hundred eighty-five thousand, eight hundred thirty-four".
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