Base | Representation |
---|---|
bin | 11100110011100100… |
… | …101110100010011110 |
3 | 2221211120022200011000 |
4 | 130303210232202132 |
5 | 1001321042140034 |
6 | 22113054011130 |
7 | 2143321655451 |
oct | 346344564236 |
9 | 87746280130 |
10 | 30930036894 |
11 | 12132221569 |
12 | 5bb24a6aa6 |
13 | 2bbbc774a3 |
14 | 16d5b83498 |
15 | c105da599 |
hex | 73392e89e |
30930036894 has 32 divisors (see below), whose sum is σ = 68747754240. Its totient is φ = 10307861496.
The previous prime is 30930036883. The next prime is 30930036919. The reversal of 30930036894 is 49863003903.
30930036894 is a `hidden beast` number, since 309 + 300 + 36 + 8 + 9 + 4 = 666.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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, 212919 + ... + 327405.
It is an arithmetic number, because the mean of its divisors is an integer number (2148367320).
Almost surely, 230930036894 is an apocalyptic number.
30930036894 is an abundant number, since it is smaller than the sum of its proper divisors (37817717346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30930036894 is a wasteful number, since it uses less digits than its factorization.
30930036894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119501 (or 119495 counting only the distinct ones).
The product of its (nonzero) digits is 419904, while the sum is 45.
The spelling of 30930036894 in words is "thirty billion, nine hundred thirty million, thirty-six thousand, eight hundred ninety-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •