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160968986 = 280484493
BaseRepresentation
bin10011001100000…
…11000100011010
3102012220001221022
421212003010122
5312202001421
623550042442
73663133223
oct1146030432
9365801838
10160968986
1182954422
1245aa9422
132746c829
141754224a
15e1e97ab
hex998311a

160968986 has 4 divisors (see below), whose sum is σ = 241453482. Its totient is φ = 80484492.

The previous prime is 160968967. The next prime is 160968989. The reversal of 160968986 is 689869061.

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

It can be written as a sum of positive squares in only one way, i.e., 151757761 + 9211225 = 12319^2 + 3035^2 .

It is a super-2 number, since 2×1609689862 = 51822028907736392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (160968989) 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 as a sum of consecutive naturals, namely, 40242245 + ... + 40242248.

Almost surely, 2160968986 is an apocalyptic number.

160968986 is a deficient number, since it is larger than the sum of its proper divisors (80484496).

160968986 is an equidigital number, since it uses as much as digits as its factorization.

160968986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80484495.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 160968986 is about 12687.3553587814. The cubic root of 160968986 is about 543.9772486340.

The spelling of 160968986 in words is "one hundred sixty million, nine hundred sixty-eight thousand, nine hundred eighty-six".

Divisors: 1 2 80484493 160968986