Search a number
-
+
131303121313300 = 22521313031213133
BaseRepresentation
bin11101110110101101100011…
…111001110101111000010100
3122012220110022021122212220021
4131312231203321311320110
5114202232243024011200
61143131453214114524
736441223515130006
oct3566554371657024
9565813267585807
10131303121313300
1138923382a09292
12128875117aba44
135835aa622a771
14245d1680cc376
15102a76752741a
hex776b63e75e14

131303121313300 has 18 divisors (see below), whose sum is σ = 284927773250078. Its totient is φ = 52521248525280.

The previous prime is 131303121313289. The next prime is 131303121313313. The reversal of 131303121313300 is 3313121303131.

It can be written as a sum of positive squares in 3 ways, for example, as 2382447816324 + 128920673496976 = 1543518^2 + 11354324^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 656515606467 + ... + 656515606666.

Almost surely, 2131303121313300 is an apocalyptic number.

131303121313300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131303121313300 is an abundant number, since it is smaller than the sum of its proper divisors (153624651936778).

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

131303121313300 is a wasteful number, since it uses less digits than its factorization.

131303121313300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313031213147 (or 1313031213140 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 131303121313300 its reverse (3313121303131), we get a palindrome (134616242616431).

The spelling of 131303121313300 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred twenty-one million, three hundred thirteen thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1313031213133 2626062426266 5252124852532 6565156065665 13130312131330 26260624262660 32825780328325 65651560656650 131303121313300