Base | Representation |
---|---|
bin | 10010101100001100… |
… | …000111001111000000 |
3 | 1220210121211220011220 |
4 | 102230030013033000 |
5 | 312100043210241 |
6 | 13115222235040 |
7 | 1310215232235 |
oct | 225414071700 |
9 | 56717756156 |
10 | 20068725696 |
11 | 85692aa718 |
12 | 3a80b85a80 |
13 | 1b7a9bb426 |
14 | d8549578c |
15 | 7c6ce4166 |
hex | 4ac3073c0 |
20068725696 has 56 divisors (see below), whose sum is σ = 54929501520. Its totient is φ = 6458898432.
The previous prime is 20068725679. The next prime is 20068725707. The reversal of 20068725696 is 69652786002.
It is a super-2 number, since 2×200687256962 (a number of 21 digits) contains 22 as substring.
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, 1796581 + ... + 1807716.
Almost surely, 220068725696 is an apocalyptic number.
It is an amenable number.
20068725696 is an abundant number, since it is smaller than the sum of its proper divisors (34860775824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20068725696 is a wasteful number, since it uses less digits than its factorization.
20068725696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3604341 (or 3604331 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 51.
The spelling of 20068725696 in words is "twenty billion, sixty-eight million, seven hundred twenty-five thousand, six hundred ninety-six".
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