Base | Representation |
---|---|
bin | 1011111000100010100… |
… | …11010010001111101111 |
3 | 1110000220222100220122101 |
4 | 11330101103102033233 |
5 | 23142210403130023 |
6 | 511324230355531 |
7 | 41333233051216 |
oct | 5742123221757 |
9 | 1400828326571 |
10 | 408312161263 |
11 | 148189630166 |
12 | 67172abbba7 |
13 | 2c671749766 |
14 | 15a960c807d |
15 | a94b5061ad |
hex | 5f114d23ef |
408312161263 has 2 divisors, whose sum is σ = 408312161264. Its totient is φ = 408312161262.
The previous prime is 408312161261. The next prime is 408312161347. The reversal of 408312161263 is 362161213804.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 408312161263 - 21 = 408312161261 is a prime.
Together with 408312161261, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (408312161261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204156080631 + 204156080632.
It is an arithmetic number, because the mean of its divisors is an integer number (204156080632).
Almost surely, 2408312161263 is an apocalyptic number.
408312161263 is a deficient number, since it is larger than the sum of its proper divisors (1).
408312161263 is an equidigital number, since it uses as much as digits as its factorization.
408312161263 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 41472, while the sum is 37.
The spelling of 408312161263 in words is "four hundred eight billion, three hundred twelve million, one hundred sixty-one thousand, two hundred sixty-three".
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