Base | Representation |
---|---|
bin | 10101101110000100… |
… | …011010010000110001 |
3 | 2020012022111021000000 |
4 | 111232010122100301 |
5 | 340230300031020 |
6 | 14414100220213 |
7 | 1453633235451 |
oct | 255604322061 |
9 | 66168437000 |
10 | 23321486385 |
11 | 998840999a |
12 | 462a39a669 |
13 | 2278870ab2 |
14 | 11b3495d61 |
15 | 917665090 |
hex | 56e11a431 |
23321486385 has 56 divisors (see below), whose sum is σ = 42751523304. Its totient is φ = 12203343360.
The previous prime is 23321486359. The next prime is 23321486413. The reversal of 23321486385 is 58368412332.
23321486385 is a `hidden beast` number, since 2 + 3 + 3 + 2 + 1 + 4 + 8 + 638 + 5 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 156950784 + 23164535601 = 12528^2 + 152199^2 .
It is not a de Polignac number, because 23321486385 - 219 = 23320962097 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 23321486385.
It is an unprimeable number.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 132825 + ... + 253545.
It is an arithmetic number, because the mean of its divisors is an integer number (763420059).
Almost surely, 223321486385 is an apocalyptic number.
It is an amenable number.
23321486385 is a deficient number, since it is larger than the sum of its proper divisors (19430036919).
23321486385 is an equidigital number, since it uses as much as digits as its factorization.
23321486385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120797 (or 120782 counting only the distinct ones).
The product of its digits is 829440, while the sum is 45.
The spelling of 23321486385 in words is "twenty-three billion, three hundred twenty-one million, four hundred eighty-six thousand, three hundred eighty-five".
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