Base | Representation |
---|---|
bin | 11100110010001100… |
… | …110111111100100100 |
3 | 2221202221222121201221 |
4 | 130302030313330210 |
5 | 1001244143204011 |
6 | 22110512230124 |
7 | 2142622136263 |
oct | 346214677444 |
9 | 87687877657 |
10 | 30907006756 |
11 | 1212022169a |
12 | 5ba683b344 |
13 | 2bb7272aa2 |
14 | 16d2aaa5da |
15 | c0d58b971 |
hex | 732337f24 |
30907006756 has 12 divisors (see below), whose sum is σ = 54088827660. Its totient is φ = 15453056000.
The previous prime is 30907006751. The next prime is 30907006841. The reversal of 30907006756 is 65760070903.
It can be written as a sum of positive squares in 2 ways, for example, as 22632193600 + 8274813156 = 150440^2 + 90966^2 .
It is not an unprimeable number, because it can be changed into a prime (30907006751) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80256 + ... + 261256.
It is an arithmetic number, because the mean of its divisors is an integer number (4507402305).
Almost surely, 230907006756 is an apocalyptic number.
It is an amenable number.
30907006756 is a deficient number, since it is larger than the sum of its proper divisors (23181820904).
30907006756 is a wasteful number, since it uses less digits than its factorization.
30907006756 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223694 (or 223692 counting only the distinct ones).
The product of its (nonzero) digits is 238140, while the sum is 43.
The spelling of 30907006756 in words is "thirty billion, nine hundred seven million, six thousand, seven hundred fifty-six".
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