Base | Representation |
---|---|
bin | 1111101001111… |
… | …01010100001110 |
3 | 100011002220111101 |
4 | 13310331110032 |
5 | 232104320100 |
6 | 21010413314 |
7 | 3153141220 |
oct | 764752416 |
9 | 304086441 |
10 | 131323150 |
11 | 68146032 |
12 | 37b9123a |
13 | 2128cb0a |
14 | 13626410 |
15 | b7e086a |
hex | 7d3d50e |
131323150 has 24 divisors (see below), whose sum is σ = 279156240. Its totient is φ = 45024960.
The previous prime is 131323141. The next prime is 131323151. The reversal of 131323150 is 51323131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131323151) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187255 + ... + 187954.
It is an arithmetic number, because the mean of its divisors is an integer number (11631510).
Almost surely, 2131323150 is an apocalyptic number.
131323150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131323150 is an abundant number, since it is smaller than the sum of its proper divisors (147833090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131323150 is a wasteful number, since it uses less digits than its factorization.
131323150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 375228 (or 375223 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 19.
The square root of 131323150 is about 11459.6313204221. The cubic root of 131323150 is about 508.2925728015.
Subtracting from 131323150 its sum of digits (19), we obtain a palindrome (131323131).
Adding to 131323150 its reverse (51323131), we get a palindrome (182646281).
The spelling of 131323150 in words is "one hundred thirty-one million, three hundred twenty-three thousand, one hundred fifty".
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