Base | Representation |
---|---|
bin | 10010100001001111… |
… | …00100111010100101 |
3 | 221122220112122200220 |
4 | 21100213210322211 |
5 | 130330234033233 |
6 | 4322325554553 |
7 | 501245512446 |
oct | 112047447245 |
9 | 27586478626 |
10 | 9942486693 |
11 | 4242302457 |
12 | 1b15875a59 |
13 | c25b01329 |
14 | 6a46712cd |
15 | 3d2cebeb3 |
hex | 2509e4ea5 |
9942486693 has 8 divisors (see below), whose sum is σ = 13257934368. Its totient is φ = 6627681744.
The previous prime is 9942486689. The next prime is 9942486707. The reversal of 9942486693 is 3966842499.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 9942486693 - 22 = 9942486689 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9942486613) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123346 + ... + 187347.
It is an arithmetic number, because the mean of its divisors is an integer number (1657241796).
Almost surely, 29942486693 is an apocalyptic number.
It is an amenable number.
9942486693 is a deficient number, since it is larger than the sum of its proper divisors (3315447675).
9942486693 is a wasteful number, since it uses less digits than its factorization.
9942486693 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 321363.
The product of its digits is 20155392, while the sum is 60.
The square root of 9942486693 is about 99712.0187991398. The cubic root of 9942486693 is about 2150.2964576241.
The spelling of 9942486693 in words is "nine billion, nine hundred forty-two million, four hundred eighty-six thousand, six hundred ninety-three".
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