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408312161263 is a prime number
BaseRepresentation
bin1011111000100010100…
…11010010001111101111
31110000220222100220122101
411330101103102033233
523142210403130023
6511324230355531
741333233051216
oct5742123221757
91400828326571
10408312161263
11148189630166
1267172abbba7
132c671749766
1415a960c807d
15a94b5061ad
hex5f114d23ef

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".