| Base | Representation |
|---|---|
| bin | 10011110000011010101… |
| … | …10111010010111001000 |
| 3 | 2101220011202102021000000 |
| 4 | 21320031112322113020 |
| 5 | 42110220202132132 |
| 6 | 1235503312043000 |
| 7 | 100021004544450 |
| oct | 11701526722710 |
| 9 | 2356152367000 |
| 10 | 678828942792 |
| 11 | 241987272000 |
| 12 | ab68a533460 |
| 13 | 4c023292860 |
| 14 | 24bd96a4d60 |
| 15 | 129d061b87c |
| hex | 9e0d5ba5c8 |
678828942792 has 1344 divisors, whose sum is σ = 2669437572480. Its totient is φ = 157505990400.
The previous prime is 678828942769. The next prime is 678828942797. The reversal of 678828942792 is 297249828876.
678828942792 is a `hidden beast` number, since 6 + 78 + 8 + 289 + 4 + 279 + 2 = 666.
678828942792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 678828942792.
It is not an unprimeable number, because it can be changed into a prime (678828942797) by changing a digit.
It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 21897707817 + ... + 21897707847.
It is an arithmetic number, because the mean of its divisors is an integer number (1986188670).
Almost surely, 2678828942792 is an apocalyptic number.
678828942792 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 678828942792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334718786240).
678828942792 is an abundant number, since it is smaller than the sum of its proper divisors (1990608629688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
678828942792 is a wasteful number, since it uses less digits than its factorization.
678828942792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139 (or 67 counting only the distinct ones).
The product of its digits is 390168576, while the sum is 72.
The spelling of 678828942792 in words is "six hundred seventy-eight billion, eight hundred twenty-eight million, nine hundred forty-two thousand, seven hundred ninety-two".
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