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160981103 = 971918689
BaseRepresentation
bin10011001100001…
…10000001101111
3102012220200120002
421212012001233
5312202343403
623550214515
73663213443
oct1146060157
9365820502
10160981103
1182962538
1245ab443b
13274751ba
1417546823
15e1ed188
hex998606f

160981103 has 8 divisors (see below), whose sum is σ = 163511040. Its totient is φ = 158469120.

The previous prime is 160981099. The next prime is 160981123. The reversal of 160981103 is 301189061.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 160981103 - 22 = 160981099 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 (160981123) 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 7 ways as a sum of consecutive naturals, for example, 14183 + ... + 22871.

It is an arithmetic number, because the mean of its divisors is an integer number (20438880).

Almost surely, 2160981103 is an apocalyptic number.

160981103 is a deficient number, since it is larger than the sum of its proper divisors (2529937).

160981103 is an equidigital number, since it uses as much as digits as its factorization.

160981103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8977.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 160981103 is about 12687.8328724806. The cubic root of 160981103 is about 543.9908976544.

The spelling of 160981103 in words is "one hundred sixty million, nine hundred eighty-one thousand, one hundred three".

Divisors: 1 97 191 8689 18527 842833 1659599 160981103