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168169017 = 3311808269
BaseRepresentation
bin10100000011000…
…00111000111001
3102201102212112010
422001200320321
5321022402032
624404240133
74111261452
oct1201407071
9381385463
10168169017
1186a21965
12483a0049
1328ac0ac3
1418498129
15eb6cccc
hexa060e39

168169017 has 8 divisors (see below), whose sum is σ = 231458560. Its totient is φ = 108496080.

The previous prime is 168169013. The next prime is 168169037. The reversal of 168169017 is 710961861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 168169017 - 22 = 168169013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168169013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904042 + ... + 904227.

It is an arithmetic number, because the mean of its divisors is an integer number (28932320).

Almost surely, 2168169017 is an apocalyptic number.

It is an amenable number.

168169017 is a deficient number, since it is larger than the sum of its proper divisors (63289543).

168169017 is a wasteful number, since it uses less digits than its factorization.

168169017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808303.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 168169017 is about 12967.9997301049. Note that the first 3 decimals coincide. The cubic root of 168169017 is about 551.9698149583.

The spelling of 168169017 in words is "one hundred sixty-eight million, one hundred sixty-nine thousand, seventeen".

Divisors: 1 3 31 93 1808269 5424807 56056339 168169017