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168996701 = 533188617
BaseRepresentation
bin10100001001010…
…10111101011101
3102202222220220002
422010222331131
5321230343301
624434104045
74121306516
oct1204527535
9382886802
10168996701
11874377a5
124871b025
1329020763
1418631a0d
15ec8316b
hexa12af5d

168996701 has 4 divisors (see below), whose sum is σ = 172185372. Its totient is φ = 165808032.

The previous prime is 168996689. The next prime is 168996719. The reversal of 168996701 is 107699861.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60295225 + 108701476 = 7765^2 + 10426^2 .

It is a cyclic number.

It is not a de Polignac number, because 168996701 - 26 = 168996637 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 (168996781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594256 + ... + 1594361.

It is an arithmetic number, because the mean of its divisors is an integer number (43046343).

Almost surely, 2168996701 is an apocalyptic number.

It is an amenable number.

168996701 is a deficient number, since it is larger than the sum of its proper divisors (3188671).

168996701 is an equidigital number, since it uses as much as digits as its factorization.

168996701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188670.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 168996701 is about 12999.8731147654. The cubic root of 168996701 is about 552.8738838241.

The spelling of 168996701 in words is "one hundred sixty-eight million, nine hundred ninety-six thousand, seven hundred one".

Divisors: 1 53 3188617 168996701