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16977182041 = 43394818187
BaseRepresentation
bin11111100111110101…
…10011110101011001
31121211011120012120001
433303322303311121
5234232124311131
611444343533001
71140465444361
oct176372636531
947734505501
1016977182041
1172221a4166
12335975a161
1317a7364461
14b70a5d9a1
156956bb261
hex3f3eb3d59

16977182041 has 4 divisors (see below), whose sum is σ = 17372000272. Its totient is φ = 16582363812.

The previous prime is 16977182021. The next prime is 16977182063. The reversal of 16977182041 is 14028177961.

It is a happy number.

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: 14028177961 = 72004025423.

It is a cyclic number.

It is not a de Polignac number, because 16977182041 - 27 = 16977181913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16977181982 and 16977182000.

It is not an unprimeable number, because it can be changed into a prime (16977182021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197409051 + ... + 197409136.

It is an arithmetic number, because the mean of its divisors is an integer number (4343000068).

Almost surely, 216977182041 is an apocalyptic number.

It is an amenable number.

16977182041 is a deficient number, since it is larger than the sum of its proper divisors (394818231).

16977182041 is an equidigital number, since it uses as much as digits as its factorization.

16977182041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394818230.

The product of its (nonzero) digits is 169344, while the sum is 46.

The spelling of 16977182041 in words is "sixteen billion, nine hundred seventy-seven million, one hundred eighty-two thousand, forty-one".

Divisors: 1 43 394818187 16977182041