Base | Representation |
---|---|
bin | 11100110011001110… |
… | …110111110101001111 |
3 | 2221211011112121022000 |
4 | 130303032313311033 |
5 | 1001313110322131 |
6 | 22112331123343 |
7 | 2143222164516 |
oct | 346316676517 |
9 | 87734477260 |
10 | 30924307791 |
11 | 12129a69173 |
12 | 5bb05a3553 |
13 | 2bbaa1c8a0 |
14 | 16d50d167d |
15 | c0ed57ce6 |
hex | 7333b7d4f |
30924307791 has 32 divisors (see below), whose sum is σ = 49352862720. Its totient is φ = 19024582752.
The previous prime is 30924307753. The next prime is 30924307819. The reversal of 30924307791 is 19770342903.
It is not a de Polignac number, because 30924307791 - 230 = 29850565967 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30924307591) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1344510 + ... + 1367316.
It is an arithmetic number, because the mean of its divisors is an integer number (1542276960).
Almost surely, 230924307791 is an apocalyptic number.
30924307791 is a deficient number, since it is larger than the sum of its proper divisors (18428554929).
30924307791 is a wasteful number, since it uses less digits than its factorization.
30924307791 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26692 (or 26686 counting only the distinct ones).
The product of its (nonzero) digits is 285768, while the sum is 45.
The spelling of 30924307791 in words is "thirty billion, nine hundred twenty-four million, three hundred seven thousand, seven hundred ninety-one".
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