Search a number
-
+
51672375801 = 3222961250049
BaseRepresentation
bin110000000111111010…
…011110000111111001
311221101010200122221100
4300013322132013321
51321311112011201
635423222202013
73506326642644
oct600772360771
9157333618840
1051672375801
111aa06788812
12a020b83309
134b463967c7
1427028a4a5b
1515265dd886
hexc07e9e1f9

51672375801 has 12 divisors (see below), whose sum is σ = 74641425300. Its totient is φ = 34446612480.

The previous prime is 51672375791. The next prime is 51672375817. The reversal of 51672375801 is 10857327615.

It is a happy number.

51672375801 is a `hidden beast` number, since 5 + 1 + 67 + 2 + 3 + 7 + 580 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 46905163776 + 4767212025 = 216576^2 + 69045^2 .

It is not a de Polignac number, because 51672375801 - 27 = 51672375673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51672375871) 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, 81625 + ... + 331673.

It is an arithmetic number, because the mean of its divisors is an integer number (6220118775).

Almost surely, 251672375801 is an apocalyptic number.

It is an amenable number.

51672375801 is a deficient number, since it is larger than the sum of its proper divisors (22969049499).

51672375801 is a wasteful number, since it uses less digits than its factorization.

51672375801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273016 (or 273013 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 51672375801 in words is "fifty-one billion, six hundred seventy-two million, three hundred seventy-five thousand, eight hundred one".

Divisors: 1 3 9 22961 68883 206649 250049 750147 2250441 5741375089 17224125267 51672375801