Base | Representation |
---|---|
bin | 111111100111001101… |
… | …010001111110010000 |
3 | 20112022012010201112210 |
4 | 333213031101332100 |
5 | 2104341200342244 |
6 | 51213405352120 |
7 | 4635424256430 |
oct | 774715217620 |
9 | 215265121483 |
10 | 68303527824 |
11 | 26a70619454 |
12 | 112a2868640 |
13 | 6596b34a6c |
14 | 343d5ac2c0 |
15 | 1b9b7074b9 |
hex | fe7351f90 |
68303527824 has 160 divisors (see below), whose sum is σ = 206732196864. Its totient is φ = 19028805120.
The previous prime is 68303527811. The next prime is 68303527847. The reversal of 68303527824 is 42872530386.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2890939 + ... + 2914469.
Almost surely, 268303527824 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68303527824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103366098432).
68303527824 is an abundant number, since it is smaller than the sum of its proper divisors (138428669040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68303527824 is a wasteful number, since it uses less digits than its factorization.
68303527824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23765 (or 23759 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 48.
The spelling of 68303527824 in words is "sixty-eight billion, three hundred three million, five hundred twenty-seven thousand, eight hundred twenty-four".
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