Base | Representation |
---|---|
bin | 100000000010100011… |
… | …0100101001100111100 |
3 | 20120121010220121211211 |
4 | 1000011012211030330 |
5 | 2111403100304220 |
6 | 51335243454204 |
7 | 4654024412242 |
oct | 1000506451474 |
9 | 216533817754 |
10 | 68805088060 |
11 | 271a8751045 |
12 | 11402827364 |
13 | 6646a15077 |
14 | 348a04c792 |
15 | 1bca77cb5a |
hex | 10051a533c |
68805088060 has 24 divisors (see below), whose sum is σ = 145816292160. Its totient is φ = 27269538624.
The previous prime is 68805088019. The next prime is 68805088073. The reversal of 68805088060 is 6088050886.
It is a junction number, because it is equal to n+sod(n) for n = 68805087995 and 68805088013.
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, 15778804 + ... + 15783163.
It is an arithmetic number, because the mean of its divisors is an integer number (6075678840).
Almost surely, 268805088060 is an apocalyptic number.
It is an amenable number.
68805088060 is an abundant number, since it is smaller than the sum of its proper divisors (77011204100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68805088060 is a wasteful number, since it uses less digits than its factorization.
68805088060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31562085 (or 31562083 counting only the distinct ones).
The product of its (nonzero) digits is 737280, while the sum is 49.
The spelling of 68805088060 in words is "sixty-eight billion, eight hundred five million, eighty-eight thousand, sixty".
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