Base | Representation |
---|---|
bin | 1001011010101100000101… |
… | …00010110010010011101010 |
3 | 2201022200112222102202100102 |
4 | 10231112002202302103222 |
5 | 10203240422214203200 |
6 | 112013121155105402 |
7 | 4235056116251531 |
oct | 455260242622352 |
9 | 81280488382312 |
10 | 20708227491050 |
11 | 6664345613510 |
12 | 23a54875a2262 |
13 | b72a15155078 |
14 | 5183d8127318 |
15 | 25da063c36d5 |
hex | 12d5828b24ea |
20708227491050 has 48 divisors (see below), whose sum is σ = 42404370544800. Its totient is φ = 7461179524800.
The previous prime is 20708227490887. The next prime is 20708227491097. The reversal of 20708227491050 is 5019472280702.
It is a junction number, because it is equal to n+sod(n) for n = 20708227490986 and 20708227491004.
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, 172652540 + ... + 172772439.
It is an arithmetic number, because the mean of its divisors is an integer number (883424386350).
Almost surely, 220708227491050 is an apocalyptic number.
20708227491050 is an abundant number, since it is smaller than the sum of its proper divisors (21696143053750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20708227491050 is a wasteful number, since it uses less digits than its factorization.
20708227491050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 345425111 (or 345425106 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 47.
The spelling of 20708227491050 in words is "twenty trillion, seven hundred eight billion, two hundred twenty-seven million, four hundred ninety-one thousand, fifty".
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