Base | Representation |
---|---|
bin | 10010101000001000… |
… | …011111011101011000 |
3 | 1220121212210011212020 |
4 | 102220020133131120 |
5 | 311430132324410 |
6 | 13104351414440 |
7 | 1305430603623 |
oct | 225010373530 |
9 | 56555704766 |
10 | 20000667480 |
11 | 8533945562 |
12 | 3a62224420 |
13 | 1b6987c6b1 |
14 | d7a41adba |
15 | 7c0d4da70 |
hex | 4a821f758 |
20000667480 has 32 divisors (see below), whose sum is σ = 60002002800. Its totient is φ = 5333511296.
The previous prime is 20000667469. The next prime is 20000667551. The reversal of 20000667480 is 8476600002.
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, 83335995 + ... + 83336234.
Almost surely, 220000667480 is an apocalyptic number.
20000667480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20000667480 is an abundant number, since it is smaller than the sum of its proper divisors (40001335320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20000667480 is a wasteful number, since it uses less digits than its factorization.
20000667480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166672243 (or 166672239 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 33.
The spelling of 20000667480 in words is "twenty billion, six hundred sixty-seven thousand, four hundred eighty".
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