Base | Representation |
---|---|
bin | 111111100101100110… |
… | …000110111011011100 |
3 | 20112020022020122022120 |
4 | 333211212012323130 |
5 | 2104312234404011 |
6 | 51211001542540 |
7 | 4634645343060 |
oct | 774546067334 |
9 | 215208218276 |
10 | 68276481756 |
11 | 26a5732632a |
12 | 112957a4a50 |
13 | 6591355482 |
14 | 3439b6baa0 |
15 | 1b99163a06 |
hex | fe5986edc |
68276481756 has 24 divisors (see below), whose sum is σ = 182070618240. Its totient is φ = 19507566192.
The previous prime is 68276481737. The next prime is 68276481821. The reversal of 68276481756 is 65718467286.
It is a self number, because there is not a number n which added to its sum of digits gives 68276481756.
It is a congruent number.
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, 406407546 + ... + 406407713.
It is an arithmetic number, because the mean of its divisors is an integer number (7586275760).
Almost surely, 268276481756 is an apocalyptic number.
It is an amenable number.
68276481756 is an abundant number, since it is smaller than the sum of its proper divisors (113794136484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68276481756 is a wasteful number, since it uses less digits than its factorization.
68276481756 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 812815273 (or 812815271 counting only the distinct ones).
The product of its digits is 27095040, while the sum is 60.
The spelling of 68276481756 in words is "sixty-eight billion, two hundred seventy-six million, four hundred eighty-one thousand, seven hundred fifty-six".
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