Base | Representation |
---|---|
bin | 10101111000010110… |
… | …010000111101101000 |
3 | 2020122022222202120200 |
4 | 111320112100331220 |
5 | 341103422022143 |
6 | 14443140352200 |
7 | 1461126121056 |
oct | 257026207550 |
9 | 66568882520 |
10 | 23493939048 |
11 | 9a66797158 |
12 | 46780a5660 |
13 | 22a55015a8 |
14 | 11cc3471d6 |
15 | 92787c1d3 |
hex | 578590f68 |
23493939048 has 48 divisors (see below), whose sum is σ = 63685997700. Its totient is φ = 7824349440.
The previous prime is 23493939047. The next prime is 23493939059. The reversal of 23493939048 is 84093939432.
23493939048 is a `hidden beast` number, since 23 + 493 + 9 + 3 + 90 + 48 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 20592824004 + 2901115044 = 143502^2 + 53862^2 .
It is a super-2 number, since 2×234939390482 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23493938985 and 23493939003.
It is not an unprimeable number, because it can be changed into a prime (23493939043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63223 + ... + 225798.
Almost surely, 223493939048 is an apocalyptic number.
It is an amenable number.
23493939048 is an abundant number, since it is smaller than the sum of its proper divisors (40192058652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23493939048 is a wasteful number, since it uses less digits than its factorization.
23493939048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 290162 (or 290155 counting only the distinct ones).
The product of its (nonzero) digits is 5038848, while the sum is 54.
The spelling of 23493939048 in words is "twenty-three billion, four hundred ninety-three million, nine hundred thirty-nine thousand, forty-eight".
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