Search a number
-
+
131092327800 = 233552717191193
BaseRepresentation
bin111101000010110110…
…1100010110101111000
3110112101001100020200000
41322011231202311320
54121434113442200
6140120055313000
712320406254340
oct1720555426570
9415331306600
10131092327800
1150661224185
12214a667b760
13c49229a345
1464b85abd20
153623bd1300
hex1e85b62d78

131092327800 has 1152 divisors, whose sum is σ = 582037747200. Its totient is φ = 26694696960.

The previous prime is 131092327771. The next prime is 131092327801. The reversal of 131092327800 is 8723290131.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131092327801) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 109884004 + ... + 109885196.

It is an arithmetic number, because the mean of its divisors is an integer number (505241100).

Almost surely, 2131092327800 is an apocalyptic number.

131092327800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131092327800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291018873600).

131092327800 is an abundant number, since it is smaller than the sum of its proper divisors (450945419400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131092327800 is a wasteful number, since it uses less digits than its factorization.

131092327800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 131092327800 in words is "one hundred thirty-one billion, ninety-two million, three hundred twenty-seven thousand, eight hundred".