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6161886697 is a prime number
BaseRepresentation
bin1011011110100011…
…01110110111101001
3120220102200021110211
411233101232313221
5100104420333242
62455234341121
7305461113151
oct55721566751
916812607424
106161886697
11268225174a
12123b72a7a1
1377279a205
1442650d761
15260e64317
hex16f46ede9

6161886697 has 2 divisors, whose sum is σ = 6161886698. Its totient is φ = 6161886696.

The previous prime is 6161886673. The next prime is 6161886719. The reversal of 6161886697 is 7966881616.

It is a happy number.

6161886697 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6112268761 + 49617936 = 78181^2 + 7044^2 .

It is a cyclic number.

It is not a de Polignac number, because 6161886697 - 27 = 6161886569 is a prime.

It is not a weakly prime, because it can be changed into another prime (6161886607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080943348 + 3080943349.

It is an arithmetic number, because the mean of its divisors is an integer number (3080943349).

Almost surely, 26161886697 is an apocalyptic number.

It is an amenable number.

6161886697 is a deficient number, since it is larger than the sum of its proper divisors (1).

6161886697 is an equidigital number, since it uses as much as digits as its factorization.

6161886697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 58.

The square root of 6161886697 is about 78497.6859340452. The cubic root of 6161886697 is about 1833.3184234563.

The spelling of 6161886697 in words is "six billion, one hundred sixty-one million, eight hundred eighty-six thousand, six hundred ninety-seven".