Base | Representation |
---|---|
bin | 10011010001100001… |
… | …011011000001001110 |
3 | 1222102021102102022210 |
4 | 103101201123001032 |
5 | 314340414200000 |
6 | 13301315051250 |
7 | 1331562116256 |
oct | 232141330116 |
9 | 58367372283 |
10 | 20695068750 |
11 | 885a910504 |
12 | 40168a0b26 |
13 | 1c4a6ab615 |
14 | 1004738966 |
15 | 811cb7350 |
hex | 4d185b04e |
20695068750 has 48 divisors (see below), whose sum is σ = 51734407536. Its totient is φ = 5518680000.
The previous prime is 20695068749. The next prime is 20695068761. The reversal of 20695068750 is 5786059602.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 20695068750.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 533119 + ... + 570618.
It is an arithmetic number, because the mean of its divisors is an integer number (1077800157).
Almost surely, 220695068750 is an apocalyptic number.
20695068750 is an abundant number, since it is smaller than the sum of its proper divisors (31039338786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20695068750 is an equidigital number, since it uses as much as digits as its factorization.
20695068750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1103767 (or 1103747 counting only the distinct ones).
The product of its (nonzero) digits is 907200, while the sum is 48.
The spelling of 20695068750 in words is "twenty billion, six hundred ninety-five million, sixty-eight thousand, seven hundred fifty".
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