Base | Representation |
---|---|
bin | 1111000100110… |
… | …10100010110011 |
3 | 22210221221102122 |
4 | 13202122202303 |
5 | 224333242011 |
6 | 20314304455 |
7 | 3063624155 |
oct | 742324263 |
9 | 283857378 |
10 | 126462131 |
11 | 65425964 |
12 | 3642812b |
13 | 2027a383 |
14 | 12b1cad5 |
15 | b1803db |
hex | 789a8b3 |
126462131 has 4 divisors (see below), whose sum is σ = 126546264. Its totient is φ = 126378000.
The previous prime is 126462109. The next prime is 126462139. The reversal of 126462131 is 131264621.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131264621 = 641 ⋅204781.
It is a cyclic number.
It is not a de Polignac number, because 126462131 - 218 = 126199987 is a prime.
It is a super-2 number, since 2×1264621312 = 31985341154122322, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 126462131.
It is not an unprimeable number, because it can be changed into a prime (126462139) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39770 + ... + 42831.
It is an arithmetic number, because the mean of its divisors is an integer number (31636566).
Almost surely, 2126462131 is an apocalyptic number.
126462131 is a deficient number, since it is larger than the sum of its proper divisors (84133).
126462131 is an equidigital number, since it uses as much as digits as its factorization.
126462131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84132.
The product of its digits is 1728, while the sum is 26.
The square root of 126462131 is about 11245.5382707988. The cubic root of 126462131 is about 501.9419558503.
The spelling of 126462131 in words is "one hundred twenty-six million, four hundred sixty-two thousand, one hundred thirty-one".
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