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168094131 = 356031377
BaseRepresentation
bin10100000010011…
…10100110110011
3102201022001210120
422001032212303
5321013003011
624402501323
74110530232
oct1201164663
9381261716
10168094131
1186980677
1248364843
1328a959aa
1418478b19
15eb55a06
hexa04e9b3

168094131 has 4 divisors (see below), whose sum is σ = 224125512. Its totient is φ = 112062752.

The previous prime is 168094123. The next prime is 168094153. The reversal of 168094131 is 131490861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168094131 - 23 = 168094123 is a prime.

It is a super-2 number, since 2×1680941312 = 56511273753290322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 168094092 and 168094101.

It is not an unprimeable number, because it can be changed into a prime (168092131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28015686 + ... + 28015691.

It is an arithmetic number, because the mean of its divisors is an integer number (56031378).

Almost surely, 2168094131 is an apocalyptic number.

168094131 is a deficient number, since it is larger than the sum of its proper divisors (56031381).

168094131 is an equidigital number, since it uses as much as digits as its factorization.

168094131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56031380.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 168094131 is about 12965.1120704759. The cubic root of 168094131 is about 551.8878717060.

The spelling of 168094131 in words is "one hundred sixty-eight million, ninety-four thousand, one hundred thirty-one".

Divisors: 1 3 56031377 168094131