Base | Representation |
---|---|
bin | 100110110101110001… |
… | …0110001000101010000 |
3 | 21222021220002200011022 |
4 | 1031223202301011100 |
5 | 2331310103422142 |
6 | 102152320535012 |
7 | 6011641603220 |
oct | 1155342610520 |
9 | 258256080138 |
10 | 83408654672 |
11 | 32412013862 |
12 | 141b9481468 |
13 | 7b3339b045 |
14 | 407375a080 |
15 | 22828856d2 |
hex | 136b8b1150 |
83408654672 has 40 divisors (see below), whose sum is σ = 184704713856. Its totient is φ = 35743833216.
The previous prime is 83408654663. The next prime is 83408654677. The reversal of 83408654672 is 27645680438.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83408654677) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261693 + ... + 2298275.
Almost surely, 283408654672 is an apocalyptic number.
It is an amenable number.
83408654672 is an abundant number, since it is smaller than the sum of its proper divisors (101296059184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83408654672 is a wasteful number, since it uses less digits than its factorization.
83408654672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56955 (or 56949 counting only the distinct ones).
The product of its (nonzero) digits is 7741440, while the sum is 53.
The spelling of 83408654672 in words is "eighty-three billion, four hundred eight million, six hundred fifty-four thousand, six hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •