Search a number
-
+
131506545741 = 367196524113
BaseRepresentation
bin111101001111001100…
…1101010010001001101
3110120102220202200212020
41322132121222101031
54123311133430431
6140225133400353
712333566123664
oct1723631522115
9416386680766
10131506545741
115085402025a
12215a13390b9
13c52a04930c
1465175d3ddb
15364a252696
hex1e9e66a44d

131506545741 has 8 divisors (see below), whose sum is σ = 175368184320. Its totient is φ = 87657968832.

The previous prime is 131506545719. The next prime is 131506545743. The reversal of 131506545741 is 147545605131.

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

It is not a de Polignac number, because 131506545741 - 27 = 131506545613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131506545693 and 131506545702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131506545743) 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, 3241900 + ... + 3282213.

It is an arithmetic number, because the mean of its divisors is an integer number (21921023040).

Almost surely, 2131506545741 is an apocalyptic number.

It is an amenable number.

131506545741 is a deficient number, since it is larger than the sum of its proper divisors (43861638579).

131506545741 is an equidigital number, since it uses as much as digits as its factorization.

131506545741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6530835.

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 131506545741 in words is "one hundred thirty-one billion, five hundred six million, five hundred forty-five thousand, seven hundred forty-one".

Divisors: 1 3 6719 20157 6524113 19572339 43835515247 131506545741