Base | Representation |
---|---|
bin | 10011001101010010… |
… | …100000000010001100 |
3 | 1222020022210012112120 |
4 | 103031102200002030 |
5 | 314214224021033 |
6 | 13250300532540 |
7 | 1330040342415 |
oct | 231522400214 |
9 | 58208705476 |
10 | 20624048268 |
11 | 882381279a |
12 | 3bb6b51150 |
13 | 1c38a73475 |
14 | dd912c80c |
15 | 80a9391b3 |
hex | 4cd4a008c |
20624048268 has 24 divisors (see below), whose sum is σ = 48564275760. Its totient is φ = 6811611840.
The previous prime is 20624048267. The next prime is 20624048303. The reversal of 20624048268 is 86284042602.
It is not an unprimeable number, because it can be changed into a prime (20624048267) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7882503 + ... + 7885118.
It is an arithmetic number, because the mean of its divisors is an integer number (2023511490).
Almost surely, 220624048268 is an apocalyptic number.
It is an amenable number.
20624048268 is an abundant number, since it is smaller than the sum of its proper divisors (27940227492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20624048268 is a wasteful number, since it uses less digits than its factorization.
20624048268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15767737 (or 15767735 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 42.
The spelling of 20624048268 in words is "twenty billion, six hundred twenty-four million, forty-eight thousand, two hundred sixty-eight".
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