Base | Representation |
---|---|
bin | 11100110111000101… |
… | …111011110001110100 |
3 | 2221222200102001011212 |
4 | 130313011323301310 |
5 | 1001431200323044 |
6 | 22123003220552 |
7 | 2144636531063 |
oct | 346705736164 |
9 | 87880361155 |
10 | 30989073524 |
11 | 12162584672 |
12 | 600a217758 |
13 | 2bcb277ac6 |
14 | 16dd9501da |
15 | c1589ca9e |
hex | 73717bc74 |
30989073524 has 12 divisors (see below), whose sum is σ = 54236907648. Its totient is φ = 15492814200.
The previous prime is 30989073481. The next prime is 30989073527. The reversal of 30989073524 is 42537098903.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30989073527) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389732 + ... + 462459.
It is an arithmetic number, because the mean of its divisors is an integer number (4519742304).
Almost surely, 230989073524 is an apocalyptic number.
It is an amenable number.
30989073524 is a deficient number, since it is larger than the sum of its proper divisors (23247834124).
30989073524 is a wasteful number, since it uses less digits than its factorization.
30989073524 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 861286 (or 861284 counting only the distinct ones).
The product of its (nonzero) digits is 1632960, while the sum is 50.
The spelling of 30989073524 in words is "thirty billion, nine hundred eighty-nine million, seventy-three thousand, five hundred twenty-four".
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