Search a number
-
+
72271325823 = 3155315512197
BaseRepresentation
bin100001101001110110…
…1001110101001111111
320220112201020202011020
41003103231032221333
52141002424411243
653111225155223
75135644063554
oct1032355165177
9226481222136
1072271325823
1128717308854
121200b62bb13
136a79b90128
1436d853ca2b
151d2ec1b283
hex10d3b4ea7f

72271325823 has 8 divisors (see below), whose sum is σ = 96423822768. Its totient is φ = 48149856384.

The previous prime is 72271325809. The next prime is 72271325827. The reversal of 72271325823 is 32852317227.

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

It is not a de Polignac number, because 72271325823 - 225 = 72237771391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72271325827) 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, 7751440 + ... + 7760757.

It is an arithmetic number, because the mean of its divisors is an integer number (12052977846).

Almost surely, 272271325823 is an apocalyptic number.

72271325823 is a deficient number, since it is larger than the sum of its proper divisors (24152496945).

72271325823 is a wasteful number, since it uses less digits than its factorization.

72271325823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15513753.

The product of its digits is 282240, while the sum is 42.

The spelling of 72271325823 in words is "seventy-two billion, two hundred seventy-one million, three hundred twenty-five thousand, eight hundred twenty-three".

Divisors: 1 3 1553 4659 15512197 46536591 24090441941 72271325823