Base | Representation |
---|---|
bin | 10011010010000100… |
… | …000110100100110100 |
3 | 1222102220112022020200 |
4 | 103102010012210310 |
5 | 314400231110202 |
6 | 13302242000500 |
7 | 1332032312442 |
oct | 232204064464 |
9 | 58386468220 |
10 | 20704160052 |
11 | 8864a5a984 |
12 | 4019946130 |
13 | 1c4c5426a4 |
14 | 1005a23b92 |
15 | 8129b0e1c |
hex | 4d2106934 |
20704160052 has 36 divisors (see below), whose sum is σ = 52369838976. Its totient is φ = 6896860560.
The previous prime is 20704160051. The next prime is 20704160069. The reversal of 20704160052 is 25006140702.
20704160052 is a `hidden beast` number, since 2 + 0 + 7 + 0 + 4 + 1 + 600 + 52 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a junction number, because it is equal to n+sod(n) for n = 20704159998 and 20704160025.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20704160051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132708 + ... + 242939.
Almost surely, 220704160052 is an apocalyptic number.
It is an amenable number.
20704160052 is an abundant number, since it is smaller than the sum of its proper divisors (31665678924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20704160052 is a wasteful number, since it uses less digits than its factorization.
20704160052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 377188 (or 377183 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The spelling of 20704160052 in words is "twenty billion, seven hundred four million, one hundred sixty thousand, fifty-two".
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