Base | Representation |
---|---|
bin | 1110011001001010000… |
… | …11101010011010010100 |
3 | 1202021111112211011102110 |
4 | 13030211003222122110 |
5 | 31100310444044210 |
6 | 1015105003511020 |
7 | 50505143524530 |
oct | 7144503523224 |
9 | 1667445734373 |
10 | 494542956180 |
11 | 180809673729 |
12 | 7ba19528470 |
13 | 378346c7370 |
14 | 19d1658cbc0 |
15 | cce69eb420 |
hex | 73250ea694 |
494542956180 has 576 divisors, whose sum is σ = 1804020277248. Its totient is φ = 98386928640.
The previous prime is 494542956143. The next prime is 494542956199. The reversal of 494542956180 is 81659245494.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 494542956180.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 783744465 + ... + 783745095.
It is an arithmetic number, because the mean of its divisors is an integer number (3131979648).
Almost surely, 2494542956180 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 494542956180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902010138624).
494542956180 is an abundant number, since it is smaller than the sum of its proper divisors (1309477321068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
494542956180 is a wasteful number, since it uses less digits than its factorization.
494542956180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 844 (or 763 counting only the distinct ones).
The product of its (nonzero) digits is 12441600, while the sum is 57.
The spelling of 494542956180 in words is "four hundred ninety-four billion, five hundred forty-two million, nine hundred fifty-six thousand, one hundred eighty".
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