Base | Representation |
---|---|
bin | 111111101010000011… |
… | …000101010101101110 |
3 | 20112102111211000200000 |
4 | 333222003011111232 |
5 | 2104440400430121 |
6 | 51222231045130 |
7 | 4636543332405 |
oct | 775203052556 |
9 | 215374730600 |
10 | 68351186286 |
11 | 26a9550aa09 |
12 | 112b68107a6 |
13 | 65a3980436 |
14 | 3445a5663c |
15 | 1ba09bd526 |
hex | fea0c556e |
68351186286 has 24 divisors (see below), whose sum is σ = 153579209784. Its totient is φ = 22783728600.
The previous prime is 68351186279. The next prime is 68351186341. The reversal of 68351186286 is 68268115386.
68351186286 is a `hidden beast` number, since 6 + 8 + 3 + 5 + 1 + 1 + 8 + 628 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70319665 + ... + 70320636.
It is an arithmetic number, because the mean of its divisors is an integer number (6399133741).
Almost surely, 268351186286 is an apocalyptic number.
68351186286 is an abundant number, since it is smaller than the sum of its proper divisors (85228023498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68351186286 is a wasteful number, since it uses less digits than its factorization.
68351186286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140640318 (or 140640306 counting only the distinct ones).
The product of its digits is 3317760, while the sum is 54.
The spelling of 68351186286 in words is "sixty-eight billion, three hundred fifty-one million, one hundred eighty-six thousand, two hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •