Base | Representation |
---|---|
bin | 111111011000010111… |
… | …000110101111111110 |
3 | 20111122211110000020000 |
4 | 333120113012233332 |
5 | 2103333414220204 |
6 | 51132550535130 |
7 | 4626311144541 |
oct | 773027065776 |
9 | 214584400200 |
10 | 68054445054 |
11 | 26952a61922 |
12 | 112333674a6 |
13 | 65573539cb |
14 | 3418490858 |
15 | 1b84905039 |
hex | fd85c6bfe |
68054445054 has 80 divisors (see below), whose sum is σ = 154359477360. Its totient is φ = 22407580800.
The previous prime is 68054445023. The next prime is 68054445073. The reversal of 68054445054 is 45054445086.
It is a happy number.
68054445054 is a `hidden beast` number, since 6 + 8 + 0 + 544 + 4 + 50 + 54 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20918892 + ... + 20922144.
It is an arithmetic number, because the mean of its divisors is an integer number (1929493467).
Almost surely, 268054445054 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68054445054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77179738680).
68054445054 is an abundant number, since it is smaller than the sum of its proper divisors (86305032306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68054445054 is a wasteful number, since it uses less digits than its factorization.
68054445054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4807 (or 4798 counting only the distinct ones).
The product of its (nonzero) digits is 1536000, while the sum is 45.
The spelling of 68054445054 in words is "sixty-eight billion, fifty-four million, four hundred forty-five thousand, fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.031 sec. • engine limits •