Base | Representation |
---|---|
bin | 11100110111010111… |
… | …101110010100000100 |
3 | 2222000000011222012212 |
4 | 130313113232110010 |
5 | 1001433344040324 |
6 | 22123251202552 |
7 | 2145024263111 |
oct | 346727562404 |
9 | 88000158185 |
10 | 30993736964 |
11 | 1216517a353 |
12 | 600b8a6458 |
13 | 2bcc21b638 |
14 | 1700405908 |
15 | c15ebe70e |
hex | 7375ee504 |
30993736964 has 48 divisors (see below), whose sum is σ = 56853861120. Its totient is φ = 14768605440.
The previous prime is 30993736933. The next prime is 30993736967. The reversal of 30993736964 is 46963739903.
It is a super-2 number, since 2×309937369642 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30993736967) 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 15 ways as a sum of consecutive naturals, for example, 4289747 + ... + 4296965.
It is an arithmetic number, because the mean of its divisors is an integer number (1184455440).
Almost surely, 230993736964 is an apocalyptic number.
It is an amenable number.
30993736964 is a deficient number, since it is larger than the sum of its proper divisors (25860124156).
30993736964 is a wasteful number, since it uses less digits than its factorization.
30993736964 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7868 (or 7866 counting only the distinct ones).
The product of its (nonzero) digits is 19840464, while the sum is 59.
The spelling of 30993736964 in words is "thirty billion, nine hundred ninety-three million, seven hundred thirty-six thousand, nine hundred sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •