Base | Representation |
---|---|
bin | 11100110001011101… |
… | …110110001100000110 |
3 | 2221202002210021221121 |
4 | 130301131312030012 |
5 | 1001233014210130 |
6 | 22105352104154 |
7 | 2142412302553 |
oct | 346135661406 |
9 | 87662707847 |
10 | 30894678790 |
11 | 12114271498 |
12 | 5ba269505a |
13 | 2bb4847731 |
14 | 16d11bba2a |
15 | c0c453d7a |
hex | 731776306 |
30894678790 has 16 divisors (see below), whose sum is σ = 55613248560. Its totient is φ = 12357243360.
The previous prime is 30894678767. The next prime is 30894678811. The reversal of 30894678790 is 9787649803.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163600 + ... + 297580.
It is an arithmetic number, because the mean of its divisors is an integer number (3475828035).
Almost surely, 230894678790 is an apocalyptic number.
30894678790 is a deficient number, since it is larger than the sum of its proper divisors (24718569770).
30894678790 is a wasteful number, since it uses less digits than its factorization.
30894678790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157047.
The product of its (nonzero) digits is 18289152, while the sum is 61.
The spelling of 30894678790 in words is "thirty billion, eight hundred ninety-four million, six hundred seventy-eight thousand, seven hundred ninety".
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