Base | Representation |
---|---|
bin | 1111101000011… |
… | …10011110100100 |
3 | 100010202011022211 |
4 | 13310032132210 |
5 | 232032200200 |
6 | 21002333204 |
7 | 3151411666 |
oct | 764163644 |
9 | 303664284 |
10 | 131131300 |
11 | 68024983 |
12 | 37aba204 |
13 | 212236b1 |
14 | 135b6536 |
15 | b7a3aba |
hex | 7d0e7a4 |
131131300 has 36 divisors (see below), whose sum is σ = 285450480. Its totient is φ = 52287520.
The previous prime is 131131291. The next prime is 131131307. The reversal of 131131300 is 3131131.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (131131307) 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, 32811 + ... + 36589.
It is an arithmetic number, because the mean of its divisors is an integer number (7929180).
Almost surely, 2131131300 is an apocalyptic number.
131131300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131131300 is an abundant number, since it is smaller than the sum of its proper divisors (154319180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131131300 is a wasteful number, since it uses less digits than its factorization.
131131300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4140 (or 4133 counting only the distinct ones).
The product of its (nonzero) digits is 27, while the sum is 13.
The square root of 131131300 is about 11451.2575728607. The cubic root of 131131300 is about 508.0449306158.
Adding to 131131300 its reverse (3131131), we get a palindrome (134262431).
The spelling of 131131300 in words is "one hundred thirty-one million, one hundred thirty-one thousand, three hundred".
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