Search a number
-
+
16769288673 = 324027746261
BaseRepresentation
bin11111001111000011…
…10000100111100001
31121021200101010110200
433213201300213201
5233320414214143
611412000015413
71132362413304
oct174741604741
947250333420
1016769288673
11712590a865
123300001569
131773275427
14b511c4b3b
156823031d3
hex3e78709e1

16769288673 has 12 divisors (see below), whose sum is σ = 24223430868. Its totient is φ = 11179006560.

The previous prime is 16769288663. The next prime is 16769288689. The reversal of 16769288673 is 37688296761.

It can be written as a sum of positive squares in 2 ways, for example, as 16355084769 + 414203904 = 127887^2 + 20352^2 .

It is not a de Polignac number, because 16769288673 - 26 = 16769288609 is a prime.

It is a super-2 number, since 2×167692886732 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16769288673.

It is not an unprimeable number, because it can be changed into a prime (16769288623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339363 + ... + 385623.

It is an arithmetic number, because the mean of its divisors is an integer number (2018619239).

Almost surely, 216769288673 is an apocalyptic number.

It is an amenable number.

16769288673 is a deficient number, since it is larger than the sum of its proper divisors (7454142195).

16769288673 is a wasteful number, since it uses less digits than its factorization.

16769288673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86544 (or 86541 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The spelling of 16769288673 in words is "sixteen billion, seven hundred sixty-nine million, two hundred eighty-eight thousand, six hundred seventy-three".

Divisors: 1 3 9 40277 46261 120831 138783 362493 416349 1863254297 5589762891 16769288673