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16771084061 = 74231225931
BaseRepresentation
bin11111001111010001…
…00110111100011101
31121021210202100021112
433213220212330131
5233321344142221
611412102311405
71132413601544
oct174750467435
947253670245
1016771084061
117126926756
123300728565
1317737536a4
14b5153115b
1568255a15b
hex3e7a26f1d

16771084061 has 4 divisors (see below), whose sum is σ = 16771384224. Its totient is φ = 16770783900.

The previous prime is 16771084019. The next prime is 16771084079. The reversal of 16771084061 is 16048017761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16048017761 = 102115717941.

It is a cyclic number.

It is not a de Polignac number, because 16771084061 - 26 = 16771083997 is a prime.

It is a super-2 number, since 2×167710840612 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16771084081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38735 + ... + 187196.

It is an arithmetic number, because the mean of its divisors is an integer number (4192846056).

Almost surely, 216771084061 is an apocalyptic number.

It is an amenable number.

16771084061 is a deficient number, since it is larger than the sum of its proper divisors (300163).

16771084061 is an equidigital number, since it uses as much as digits as its factorization.

16771084061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300162.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 16771084061 in words is "sixteen billion, seven hundred seventy-one million, eighty-four thousand, sixty-one".

Divisors: 1 74231 225931 16771084061