Base | Representation |
---|---|
bin | 1001011010110000000110… |
… | …10101001111111010000000 |
3 | 2201022220010120012022002222 |
4 | 10231120003111033322000 |
5 | 10203304333340000021 |
6 | 112014115422430212 |
7 | 4235163504066632 |
oct | 455300325177200 |
9 | 81286116168088 |
10 | 20710388203136 |
11 | 6665254249485 |
12 | 23a598b132368 |
13 | b72c9a9ac028 |
14 | 518561098a52 |
15 | 25dad0e2e6ab |
hex | 12d60354fe80 |
20710388203136 has 32 divisors (see below), whose sum is σ = 43430501582400. Its totient is φ = 9810183884544.
The previous prime is 20710388203103. The next prime is 20710388203187. The reversal of 20710388203136 is 63130288301702.
It is a tau number, because it is divible by the number of its divisors (32).
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, 4257889880 + ... + 4257894743.
It is an arithmetic number, because the mean of its divisors is an integer number (1357203174450).
Almost surely, 220710388203136 is an apocalyptic number.
It is an amenable number.
20710388203136 is an abundant number, since it is smaller than the sum of its proper divisors (22720113379264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20710388203136 is an equidigital number, since it uses as much as digits as its factorization.
20710388203136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8515784656 (or 8515784644 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 44.
The spelling of 20710388203136 in words is "twenty trillion, seven hundred ten billion, three hundred eighty-eight million, two hundred three thousand, one hundred thirty-six".
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