Base | Representation |
---|---|
bin | 1110100111011011… |
… | …11001001101011000 |
3 | 202020212111102120110 |
4 | 13103231321031120 |
5 | 112032312200210 |
6 | 3334352124320 |
7 | 365312214564 |
oct | 72355711530 |
9 | 22225442513 |
10 | 7846990680 |
11 | 3367470271 |
12 | 162bb366a0 |
13 | 98092c569 |
14 | 5462386a4 |
15 | 30dd74420 |
hex | 1d3b79358 |
7846990680 has 64 divisors (see below), whose sum is σ = 23660540640. Its totient is φ = 2081902592.
The previous prime is 7846990663. The next prime is 7846990681. The reversal of 7846990680 is 860996487.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 7846990680.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7846990681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142329 + ... + 189608.
Almost surely, 27846990680 is an apocalyptic number.
It is an amenable number.
7846990680 is an abundant number, since it is smaller than the sum of its proper divisors (15813549960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7846990680 is a wasteful number, since it uses less digits than its factorization.
7846990680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 332148 (or 332144 counting only the distinct ones).
The product of its (nonzero) digits is 5225472, while the sum is 57.
The square root of 7846990680 is about 88583.2415302127. The cubic root of 7846990680 is about 1987.1670572389.
The spelling of 7846990680 in words is "seven billion, eight hundred forty-six million, nine hundred ninety thousand, six hundred eighty".
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