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6791000189 is a prime number
BaseRepresentation
bin1100101001100011…
…00111000001111101
3122112021110112221112
412110301213001331
5102401444001224
63041510411405
7330200356241
oct62461470175
918467415845
106791000189
112975384a56
121396360b65
13842c1a40c
14485cb4421
1529b2d330e
hex194c6707d

6791000189 has 2 divisors, whose sum is σ = 6791000190. Its totient is φ = 6791000188.

The previous prime is 6791000173. The next prime is 6791000231. The reversal of 6791000189 is 9810001976.

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., 3726492025 + 3064508164 = 61045^2 + 55358^2 .

It is a cyclic number.

It is not a de Polignac number, because 6791000189 - 24 = 6791000173 is a prime.

It is a super-2 number, since 2×67910001892 = 92235367133996071442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6791000389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3395500094 + 3395500095.

It is an arithmetic number, because the mean of its divisors is an integer number (3395500095).

Almost surely, 26791000189 is an apocalyptic number.

It is an amenable number.

6791000189 is a deficient number, since it is larger than the sum of its proper divisors (1).

6791000189 is an equidigital number, since it uses as much as digits as its factorization.

6791000189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 6791000189 is about 82407.5250750804. The cubic root of 6791000189 is about 1893.7002980068.

The spelling of 6791000189 in words is "six billion, seven hundred ninety-one million, one hundred eighty-nine", and thus it is an aban number.