Base | Representation |
---|---|
bin | 1111101001001… |
… | …11101000011010 |
3 | 100010221101122202 |
4 | 13310213220122 |
5 | 232043444310 |
6 | 21004450202 |
7 | 3152321243 |
oct | 764475032 |
9 | 303841582 |
10 | 131234330 |
11 | 68095327 |
12 | 37b49962 |
13 | 2125b566 |
14 | 13601cca |
15 | b7c43a5 |
hex | 7d27a1a |
131234330 has 24 divisors (see below), whose sum is σ = 249315732. Its totient is φ = 49729536.
The previous prime is 131234321. The next prime is 131234333. The reversal of 131234330 is 33432131.
131234330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 126945289 + 4289041 = 11267^2 + 2071^2 .
It is not an unprimeable number, because it can be changed into a prime (131234333) 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, 14567 + ... + 21786.
Almost surely, 2131234330 is an apocalyptic number.
131234330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131234330 is a deficient number, since it is larger than the sum of its proper divisors (118081402).
131234330 is a wasteful number, since it uses less digits than its factorization.
131234330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36398 (or 36379 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 131234330 is about 11455.7553221077. The cubic root of 131234330 is about 508.1779529283.
Adding to 131234330 its reverse (33432131), we get a palindrome (164666461).
The spelling of 131234330 in words is "one hundred thirty-one million, two hundred thirty-four thousand, three hundred thirty".
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