Base | Representation |
---|---|
bin | 100000000100100101… |
… | …1011101000000100000 |
3 | 20120202220120222211101 |
4 | 1000021023131000200 |
5 | 2112023102132310 |
6 | 51350125324144 |
7 | 4655514604345 |
oct | 1001113350040 |
9 | 216686528741 |
10 | 68873474080 |
11 | 2723330a514 |
12 | 11421706654 |
13 | 6657c3a078 |
14 | 34951707cc |
15 | 1bd178a43a |
hex | 10092dd020 |
68873474080 has 24 divisors (see below), whose sum is σ = 162713582892. Its totient is φ = 27549389568.
The previous prime is 68873474017. The next prime is 68873474179. The reversal of 68873474080 is 8047437886.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 67469023504 + 1404450576 = 259748^2 + 37476^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215229447 + ... + 215229766.
Almost surely, 268873474080 is an apocalyptic number.
It is an amenable number.
68873474080 is an abundant number, since it is smaller than the sum of its proper divisors (93840108812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68873474080 is a wasteful number, since it uses less digits than its factorization.
68873474080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 430459228 (or 430459220 counting only the distinct ones).
The product of its (nonzero) digits is 7225344, while the sum is 55.
The spelling of 68873474080 in words is "sixty-eight billion, eight hundred seventy-three million, four hundred seventy-four thousand, eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.029 sec. • engine limits •