Base | Representation |
---|---|
bin | 1110111011100… |
… | …01001100110101 |
3 | 22201200001202120 |
4 | 13131301030311 |
5 | 224030303323 |
6 | 20232230153 |
7 | 3050362323 |
oct | 735611465 |
9 | 281601676 |
10 | 125244213 |
11 | 64773916 |
12 | 35b3b359 |
13 | 1cc41c03 |
14 | 128c2d13 |
15 | aede5e3 |
hex | 7771335 |
125244213 has 16 divisors (see below), whose sum is σ = 169796736. Its totient is φ = 82100480.
The previous prime is 125244211. The next prime is 125244227. The reversal of 125244213 is 312442521.
It is a cyclic number.
It is not a de Polignac number, because 125244213 - 21 = 125244211 is a prime.
It is a super-2 number, since 2×1252442132 = 31372225779978738, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125244211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130945 + ... + 131897.
It is an arithmetic number, because the mean of its divisors is an integer number (10612296).
Almost surely, 2125244213 is an apocalyptic number.
It is an amenable number.
125244213 is a deficient number, since it is larger than the sum of its proper divisors (44552523).
125244213 is an equidigital number, since it uses as much as digits as its factorization.
125244213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1644.
The product of its digits is 1920, while the sum is 24.
The square root of 125244213 is about 11191.2560957204. The cubic root of 125244213 is about 500.3254055099.
Adding to 125244213 its reverse (312442521), we get a palindrome (437686734).
The spelling of 125244213 in words is "one hundred twenty-five million, two hundred forty-four thousand, two hundred thirteen".
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