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192160081 is a prime number
BaseRepresentation
bin10110111010000…
…10000101010001
3111101120202002001
423131002011101
5343143110311
631022354001
74522222321
oct1335020521
9441522061
10192160081
1199518793
125442b901
1330a709b9
141b741281
1511d0b4c1
hexb742151

192160081 has 2 divisors, whose sum is σ = 192160082. Its totient is φ = 192160080.

The previous prime is 192160079. The next prime is 192160093. The reversal of 192160081 is 180061291.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139452481 + 52707600 = 11809^2 + 7260^2 .

It is a cyclic number.

It is not a de Polignac number, because 192160081 - 21 = 192160079 is a prime.

It is a super-2 number, since 2×1921600812 = 73850993459853122, which contains 22 as substring.

Together with 192160079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (192160051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96080040 + 96080041.

It is an arithmetic number, because the mean of its divisors is an integer number (96080041).

Almost surely, 2192160081 is an apocalyptic number.

It is an amenable number.

192160081 is a deficient number, since it is larger than the sum of its proper divisors (1).

192160081 is an equidigital number, since it uses as much as digits as its factorization.

192160081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 192160081 is about 13862.1816825491. The cubic root of 192160081 is about 577.0601146634.

The spelling of 192160081 in words is "one hundred ninety-two million, one hundred sixty thousand, eighty-one".