Base | Representation |
---|---|
bin | 10010101101100000… |
… | …101000110011110000 |
3 | 1220212011112121201100 |
4 | 102231200220303300 |
5 | 312121231231222 |
6 | 13121333204400 |
7 | 1310604455553 |
oct | 225540506360 |
9 | 56764477640 |
10 | 20090883312 |
11 | 857a863aa5 |
12 | 3a88490700 |
13 | 1b82478946 |
14 | d883c269a |
15 | 7c8c1e4ac |
hex | 4ad828cf0 |
20090883312 has 30 divisors (see below), whose sum is σ = 56226569672. Its totient is φ = 6696961056.
The previous prime is 20090883287. The next prime is 20090883317. The reversal of 20090883312 is 21338809002.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20090883317) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69759868 + ... + 69760155.
Almost surely, 220090883312 is an apocalyptic number.
It is an amenable number.
20090883312 is an abundant number, since it is smaller than the sum of its proper divisors (36135686360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20090883312 is a wasteful number, since it uses less digits than its factorization.
20090883312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139520037 (or 139520028 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The spelling of 20090883312 in words is "twenty billion, ninety million, eight hundred eighty-three thousand, three hundred twelve".
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