Search a number
-
+
31326101806 = 2149105121147
BaseRepresentation
bin11101001011001011…
…100110000100101110
32222212011120212001211
4131023023212010232
51003123440224211
622220243025034
72156201320606
oct351313460456
988764525054
1031326101806
1112315849a3a
1260a306b17a
132c5303b91c
141732601c06
15c35272e21
hex74b2e612e

31326101806 has 8 divisors (see below), whose sum is σ = 47304516600. Its totient is φ = 15557929608.

The previous prime is 31326101801. The next prime is 31326101843. The reversal of 31326101806 is 60810162313.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31326101801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52560276 + ... + 52560871.

It is an arithmetic number, because the mean of its divisors is an integer number (5913064575).

Almost surely, 231326101806 is an apocalyptic number.

31326101806 is a deficient number, since it is larger than the sum of its proper divisors (15978414794).

31326101806 is a wasteful number, since it uses less digits than its factorization.

31326101806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105121298.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 31326101806 in words is "thirty-one billion, three hundred twenty-six million, one hundred one thousand, eight hundred six".

Divisors: 1 2 149 298 105121147 210242294 15663050903 31326101806