Base | Representation |
---|---|
bin | 1101101000111101000… |
… | …11011000011100000101 |
3 | 1122210201000001100021200 |
4 | 12310132203120130011 |
5 | 30134310442330020 |
6 | 555145024333113 |
7 | 45600634333215 |
oct | 6643643303405 |
9 | 1583630040250 |
10 | 468664026885 |
11 | 17083969705a |
12 | 769b6774199 |
13 | 3526c064052 |
14 | 1897d5b2245 |
15 | c2ceab0590 |
hex | 6d1e8d8705 |
468664026885 has 36 divisors (see below), whose sum is σ = 813407475972. Its totient is φ = 249629492736.
The previous prime is 468664026871. The next prime is 468664026911. The reversal of 468664026885 is 588620466864.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 119733992676 + 348930034209 = 346026^2 + 590703^2 .
It is not a de Polignac number, because 468664026885 - 24 = 468664026869 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 35 ways as a sum of consecutive naturals, for example, 29443689 + ... + 29459601.
Almost surely, 2468664026885 is an apocalyptic number.
468664026885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
468664026885 is a deficient number, since it is larger than the sum of its proper divisors (344743449087).
468664026885 is an equidigital number, since it uses as much as digits as its factorization.
468664026885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17542 (or 16730 counting only the distinct ones).
The product of its (nonzero) digits is 106168320, while the sum is 63.
The spelling of 468664026885 in words is "four hundred sixty-eight billion, six hundred sixty-four million, twenty-six thousand, eight hundred eighty-five".
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