Base | Representation |
---|---|
bin | 10011011111101001… |
… | …110110011100000100 |
3 | 2000000210112212022220 |
4 | 103133221312130010 |
5 | 320332113043421 |
6 | 13341024452340 |
7 | 1340501263212 |
oct | 233751663404 |
9 | 60023485286 |
10 | 20932159236 |
11 | 897172705a |
12 | 408217a0b0 |
13 | 1c87851051 |
14 | 1028013cb2 |
15 | 8279eb3c6 |
hex | 4dfa76704 |
20932159236 has 12 divisors (see below), whose sum is σ = 48841704912. Its totient is φ = 6977386408.
The previous prime is 20932159219. The next prime is 20932159249. The reversal of 20932159236 is 63295123902.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872173290 + ... + 872173313.
It is an arithmetic number, because the mean of its divisors is an integer number (4070142076).
Almost surely, 220932159236 is an apocalyptic number.
It is an amenable number.
20932159236 is an abundant number, since it is smaller than the sum of its proper divisors (27909545676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20932159236 is a wasteful number, since it uses less digits than its factorization.
20932159236 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1744346610 (or 1744346608 counting only the distinct ones).
The product of its (nonzero) digits is 174960, while the sum is 42.
The spelling of 20932159236 in words is "twenty billion, nine hundred thirty-two million, one hundred fifty-nine thousand, two hundred thirty-six".
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