Base | Representation |
---|---|
bin | 1111101001000… |
… | …10010010101110 |
3 | 100010220021122211 |
4 | 13310202102232 |
5 | 232042244322 |
6 | 21004201034 |
7 | 3152200423 |
oct | 764422256 |
9 | 303807584 |
10 | 131212462 |
11 | 6807a957 |
12 | 37b3917a |
13 | 21251614 |
14 | 135d7d4a |
15 | b7bcb77 |
hex | 7d224ae |
131212462 has 8 divisors (see below), whose sum is σ = 197058600. Its totient is φ = 65526264.
The previous prime is 131212457. The next prime is 131212481. The reversal of 131212462 is 264212131.
131212462 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37912 + ... + 41227.
It is an arithmetic number, because the mean of its divisors is an integer number (24632325).
Almost surely, 2131212462 is an apocalyptic number.
131212462 is a deficient number, since it is larger than the sum of its proper divisors (65846138).
131212462 is an equidigital number, since it uses as much as digits as its factorization.
131212462 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79970.
The product of its digits is 576, while the sum is 22.
The square root of 131212462 is about 11454.8008276006. The cubic root of 131212462 is about 508.1497249162.
Adding to 131212462 its reverse (264212131), we get a palindrome (395424593).
The spelling of 131212462 in words is "one hundred thirty-one million, two hundred twelve thousand, four hundred sixty-two".
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