Base | Representation |
---|---|
bin | 100000000100110011… |
… | …0100100101111001110 |
3 | 20120210101222012022001 |
4 | 1000021212210233032 |
5 | 2112031412134010 |
6 | 51350541542514 |
7 | 4655632205035 |
oct | 1001146445716 |
9 | 216711865261 |
10 | 68880583630 |
11 | 27237325a81 |
12 | 11423b74a3a |
13 | 66595590c1 |
14 | 34960a171c |
15 | 1bd21e1c3a |
hex | 10099a4bce |
68880583630 has 16 divisors (see below), whose sum is σ = 124036264224. Its totient is φ = 27540852640.
The previous prime is 68880583627. The next prime is 68880583633. The reversal of 68880583630 is 3638508886.
It is an interprime number because it is at equal distance from previous prime (68880583627) and next prime (68880583633).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68880583633) 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, 1397161 + ... + 1445620.
It is an arithmetic number, because the mean of its divisors is an integer number (7752266514).
Almost surely, 268880583630 is an apocalyptic number.
68880583630 is a deficient number, since it is larger than the sum of its proper divisors (55155680594).
68880583630 is a wasteful number, since it uses less digits than its factorization.
68880583630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2845211.
The product of its (nonzero) digits is 6635520, while the sum is 55.
The spelling of 68880583630 in words is "sixty-eight billion, eight hundred eighty million, five hundred eighty-three thousand, six hundred thirty".
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