Base | Representation |
---|---|
bin | 100110111010100010… |
… | …0011100110000000000 |
3 | 21222201000211121020110 |
4 | 1031311010130300000 |
5 | 2332122012313412 |
6 | 102220230311320 |
7 | 6015622232100 |
oct | 1156504346000 |
9 | 258630747213 |
10 | 83568479232 |
11 | 32494256377 |
12 | 14242ab8540 |
13 | 7b5a5299a4 |
14 | 408aa81200 |
15 | 2291905d3c |
hex | 137511cc00 |
83568479232 has 528 divisors, whose sum is σ = 277733357280. Its totient is φ = 22273327104.
The previous prime is 83568479221. The next prime is 83568479237. The reversal of 83568479232 is 23297486538.
It is a super-2 number, since 2×835684792322 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (83568479237) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 739544008 + ... + 739544120.
Almost surely, 283568479232 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 83568479232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138866678640).
83568479232 is an abundant number, since it is smaller than the sum of its proper divisors (194164878048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83568479232 is a wasteful number, since it uses less digits than its factorization.
83568479232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201 (or 142 counting only the distinct ones).
The product of its digits is 17418240, while the sum is 57.
The spelling of 83568479232 in words is "eighty-three billion, five hundred sixty-eight million, four hundred seventy-nine thousand, two hundred thirty-two".
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