Base | Representation |
---|---|
bin | 10010101100111110… |
… | …001110011010001100 |
3 | 1220211112120022012012 |
4 | 102230332032122030 |
5 | 312111424043114 |
6 | 13120412000352 |
7 | 1310435004311 |
oct | 225476163214 |
9 | 56745508165 |
10 | 20081862284 |
11 | 8575762400 |
12 | 3a854600b8 |
13 | 1b8063a863 |
14 | d87114d08 |
15 | 7c803b63e |
hex | 4acf8e68c |
20081862284 has 36 divisors (see below), whose sum is σ = 39094023192. Its totient is φ = 9018123840.
The previous prime is 20081862263. The next prime is 20081862343. The reversal of 20081862284 is 48226818002.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209777 + ... + 290120.
Almost surely, 220081862284 is an apocalyptic number.
It is an amenable number.
20081862284 is a deficient number, since it is larger than the sum of its proper divisors (19012160908).
20081862284 is a wasteful number, since it uses less digits than its factorization.
20081862284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 500006 (or 499993 counting only the distinct ones).
The product of its (nonzero) digits is 98304, while the sum is 41.
The spelling of 20081862284 in words is "twenty billion, eighty-one million, eight hundred sixty-two thousand, two hundred eighty-four".
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