Base | Representation |
---|---|
bin | 10010101111100001… |
… | …000000100011101100 |
3 | 1220221111212022011220 |
4 | 102233201000203230 |
5 | 312203340110040 |
6 | 13124534343340 |
7 | 1311463503522 |
oct | 225741004354 |
9 | 56844768156 |
10 | 20124535020 |
11 | 8597859027 |
12 | 3a977bab50 |
13 | 1b8942bab5 |
14 | d8ca62312 |
15 | 7cbb6a2d0 |
hex | 4af8408ec |
20124535020 has 48 divisors (see below), whose sum is σ = 56374241280. Its totient is φ = 5364110016.
The previous prime is 20124534961. The next prime is 20124535031. The reversal of 20124535020 is 2053542102.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59439 + ... + 209241.
It is an arithmetic number, because the mean of its divisors is an integer number (1174463360).
Almost surely, 220124535020 is an apocalyptic number.
20124535020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20124535020 is an abundant number, since it is smaller than the sum of its proper divisors (36249706260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20124535020 is a wasteful number, since it uses less digits than its factorization.
20124535020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152054 (or 152052 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 24.
The spelling of 20124535020 in words is "twenty billion, one hundred twenty-four million, five hundred thirty-five thousand, twenty".
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