Base | Representation |
---|---|
bin | 10010111010010101… |
… | …101110001010101100 |
3 | 1221102011120001110122 |
4 | 102322111232022230 |
5 | 313041332003414 |
6 | 13154542424112 |
7 | 1316130135011 |
oct | 227225561254 |
9 | 57364501418 |
10 | 20306125484 |
11 | 8680307697 |
12 | 3b28592038 |
13 | 1bb7c3b888 |
14 | da8c11708 |
15 | 7dca89b8e |
hex | 4ba56e2ac |
20306125484 has 12 divisors (see below), whose sum is σ = 35541904944. Its totient is φ = 10151295504.
The previous prime is 20306125459. The next prime is 20306125501. The reversal of 20306125484 is 48452160302.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415787 + ... + 462050.
It is an arithmetic number, because the mean of its divisors is an integer number (2961825412).
Almost surely, 220306125484 is an apocalyptic number.
It is an amenable number.
20306125484 is a deficient number, since it is larger than the sum of its proper divisors (15235779460).
20306125484 is a wasteful number, since it uses less digits than its factorization.
20306125484 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 883624 (or 883622 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 35.
Adding to 20306125484 its reverse (48452160302), we get a palindrome (68758285786).
The spelling of 20306125484 in words is "twenty billion, three hundred six million, one hundred twenty-five thousand, four hundred eighty-four".
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