Base | Representation |
---|---|
bin | 1011110010100101100… |
… | …01110001011110100111 |
3 | 1102201200012200010022211 |
4 | 11321102301301132213 |
5 | 23114134110032010 |
6 | 510035123304251 |
7 | 41161100451412 |
oct | 5712261613647 |
9 | 1381605603284 |
10 | 405115705255 |
11 | 146899288488 |
12 | 6662051b087 |
13 | 2c28244c081 |
14 | 15871782b79 |
15 | a810aa808a |
hex | 5e52c717a7 |
405115705255 has 12 divisors (see below), whose sum is σ = 499632847560. Its totient is φ = 315333300384.
The previous prime is 405115705229. The next prime is 405115705271. The reversal of 405115705255 is 552507511504.
It is a de Polignac number, because none of the positive numbers 2k-405115705255 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29585245 + ... + 29598934.
It is an arithmetic number, because the mean of its divisors is an integer number (41636070630).
Almost surely, 2405115705255 is an apocalyptic number.
405115705255 is a deficient number, since it is larger than the sum of its proper divisors (94517142305).
405115705255 is an equidigital number, since it uses as much as digits as its factorization.
405115705255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59184258 (or 59184221 counting only the distinct ones).
The product of its (nonzero) digits is 175000, while the sum is 40.
The spelling of 405115705255 in words is "four hundred five billion, one hundred fifteen million, seven hundred five thousand, two hundred fifty-five".
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