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168086047 = 232317743
BaseRepresentation
bin10100000010011…
…00101000011111
3102201021122201011
422001030220133
5321012223142
624402400051
74110464533
oct1201145037
9381248634
10168086047
1186975598
1248360027
1328a920cc
1418475bc3
15eb53417
hexa04ca1f

168086047 has 6 divisors (see below), whose sum is σ = 175712432. Its totient is φ = 160777452.

The previous prime is 168086033. The next prime is 168086057. The reversal of 168086047 is 740680861.

It is not a de Polignac number, because 168086047 - 227 = 33868319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168086057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158343 + ... + 159400.

Almost surely, 2168086047 is an apocalyptic number.

168086047 is a deficient number, since it is larger than the sum of its proper divisors (7626385).

168086047 is an equidigital number, since it uses as much as digits as its factorization.

168086047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317789 (or 317766 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 168086047 is about 12964.8003069851. The cubic root of 168086047 is about 551.8790244150.

The spelling of 168086047 in words is "one hundred sixty-eight million, eighty-six thousand, forty-seven".

Divisors: 1 23 529 317743 7308089 168086047