Search a number
-
+
6427112872791 = 313164797765969
BaseRepresentation
bin101110110000110110111…
…0001111001101101010111
3211202102111112202120021210
41131201231301321231113
51320300211343412131
621400324102112503
71232225564013432
oct135415561715527
924672445676253
106427112872791
1120587a5731436
1287974b11b733
133780c6b7b820
14183106bb6819
15b22b5cb0146
hex5d86dc79b57

6427112872791 has 8 divisors (see below), whose sum is σ = 9228674894320. Its totient is φ = 3955146383232.

The previous prime is 6427112872777. The next prime is 6427112872879. The reversal of 6427112872791 is 1972782117246.

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

It is not a de Polignac number, because 6427112872791 - 215 = 6427112840023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6427112872711) 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, 82398882946 + ... + 82398883023.

It is an arithmetic number, because the mean of its divisors is an integer number (1153584361790).

Almost surely, 26427112872791 is an apocalyptic number.

6427112872791 is a deficient number, since it is larger than the sum of its proper divisors (2801562021529).

6427112872791 is a wasteful number, since it uses less digits than its factorization.

6427112872791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164797765985.

The product of its digits is 4741632, while the sum is 57.

The spelling of 6427112872791 in words is "six trillion, four hundred twenty-seven billion, one hundred twelve million, eight hundred seventy-two thousand, seven hundred ninety-one".

Divisors: 1 3 13 39 164797765969 494393297907 2142370957597 6427112872791