Base | Representation |
---|---|
bin | 10110000000100000… |
… | …010011000110100100 |
3 | 2020222212111100122121 |
4 | 112000200103012210 |
5 | 341343440140410 |
6 | 14504505435324 |
7 | 1464410242453 |
oct | 260040230644 |
9 | 66885440577 |
10 | 23630786980 |
11 | a026a66019 |
12 | 46b5a9bb44 |
13 | 22c7976cb8 |
14 | 12025aab9a |
15 | 9348ae9da |
hex | 5808131a4 |
23630786980 has 12 divisors (see below), whose sum is σ = 49624652700. Its totient is φ = 9452314784.
The previous prime is 23630786969. The next prime is 23630786987. The reversal of 23630786980 is 8968703632.
It can be written as a sum of positive squares in 2 ways, for example, as 3471330724 + 20159456256 = 58918^2 + 141984^2 .
It is not an unprimeable number, because it can be changed into a prime (23630786987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590769655 + ... + 590769694.
It is an arithmetic number, because the mean of its divisors is an integer number (4135387725).
Almost surely, 223630786980 is an apocalyptic number.
23630786980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23630786980 is an abundant number, since it is smaller than the sum of its proper divisors (25993865720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23630786980 is a wasteful number, since it uses less digits than its factorization.
23630786980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1181539358 (or 1181539356 counting only the distinct ones).
The product of its (nonzero) digits is 2612736, while the sum is 52.
The spelling of 23630786980 in words is "twenty-three billion, six hundred thirty million, seven hundred eighty-six thousand, nine hundred eighty".
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