Search a number
-
+
16676404270731 = 3210853170730103
BaseRepresentation
bin1111001010101100011100…
…1001110001011010001011
32012001020201021201221221200
43302223013021301122023
54141211233443130411
655245011231035243
73340554562321422
oct362530711613213
965036637657850
1016676404270731
11534a472504467
121a53bba06bb23
1393c76933436a
144191dc5802b9
151ddbd16eae56
hexf2ac727168b

16676404270731 has 12 divisors (see below), whose sum is σ = 24090359134608. Its totient is φ = 11116578401424.

The previous prime is 16676404270703. The next prime is 16676404270733. The reversal of 16676404270731 is 13707240467661.

It is a happy number.

16676404270731 is a `hidden beast` number, since 166 + 7 + 6 + 404 + 2 + 7 + 0 + 73 + 1 = 666.

It is not a de Polignac number, because 16676404270731 - 215 = 16676404237963 is a prime.

It is a super-2 number, since 2×166764042707312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16676404270733) 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 11 ways as a sum of consecutive naturals, for example, 85267375 + ... + 85462728.

It is an arithmetic number, because the mean of its divisors is an integer number (2007529927884).

Almost surely, 216676404270731 is an apocalyptic number.

16676404270731 is a deficient number, since it is larger than the sum of its proper divisors (7413954863877).

16676404270731 is a wasteful number, since it uses less digits than its factorization.

16676404270731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170740962 (or 170740959 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 54.

The spelling of 16676404270731 in words is "sixteen trillion, six hundred seventy-six billion, four hundred four million, two hundred seventy thousand, seven hundred thirty-one".

Divisors: 1 3 9 10853 32559 97677 170730103 512190309 1536570927 1852933807859 5558801423577 16676404270731