Base | Representation |
---|---|
bin | 10010101011110100… |
… | …111010000100000000 |
3 | 1220210012101211111211 |
4 | 102223310322010000 |
5 | 312042014024212 |
6 | 13114444015504 |
7 | 1310112434620 |
oct | 225364720400 |
9 | 56705354454 |
10 | 20062642432 |
11 | 8565925228 |
12 | 3a7ab31594 |
13 | 1b7966b571 |
14 | d84750880 |
15 | 7c64e19a7 |
hex | 4abd3a100 |
20062642432 has 72 divisors (see below), whose sum is σ = 45836062272. Its totient is φ = 8585472000.
The previous prime is 20062642399. The next prime is 20062642441. The reversal of 20062642432 is 23424626002.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20062642394 and 20062642403.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248207 + ... + 1264177.
It is an arithmetic number, because the mean of its divisors is an integer number (636611976).
Almost surely, 220062642432 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20062642432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22918031136).
20062642432 is an abundant number, since it is smaller than the sum of its proper divisors (25773419840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20062642432 is an equidigital number, since it uses as much as digits as its factorization.
20062642432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16695 (or 16681 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 31.
The spelling of 20062642432 in words is "twenty billion, sixty-two million, six hundred forty-two thousand, four hundred thirty-two".
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