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16171064649913 = 37894910739341
BaseRepresentation
bin1110101101010001111010…
…0100000110100010111001
32010020221100022002101222011
43223110132210012202321
54104421320022244123
654220515021125521
73256215025366315
oct353243644064271
963227308071864
1016171064649913
1151751234638a8
1219920889b98a1
13903c03b96b54
143dc980130b45
151d09a6e27e0d
hexeb51e9068b9

16171064649913 has 8 divisors (see below), whose sum is σ = 16794728549640. Its totient is φ = 15557222229120.

The previous prime is 16171064649821. The next prime is 16171064649917. The reversal of 16171064649913 is 31994646017161.

16171064649913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1413273971344 + 14757790678569 = 1188812^2 + 3841587^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16171064649913 - 225 = 16171031095481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16171064649917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2455366378 + ... + 2455372963.

It is an arithmetic number, because the mean of its divisors is an integer number (2099341068705).

Almost surely, 216171064649913 is an apocalyptic number.

It is an amenable number.

16171064649913 is a deficient number, since it is larger than the sum of its proper divisors (623663899727).

16171064649913 is an equidigital number, since it uses as much as digits as its factorization.

16171064649913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4910739467.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 16171064649913 in words is "sixteen trillion, one hundred seventy-one billion, sixty-four million, six hundred forty-nine thousand, nine hundred thirteen".

Divisors: 1 37 89 3293 4910739341 181697355617 437055801349 16171064649913