Base | Representation |
---|---|
bin | 1110111010100… |
… | …10111011011111 |
3 | 22201102202200100 |
4 | 13131102323133 |
5 | 224012321343 |
6 | 20225432143 |
7 | 3046334664 |
oct | 735227337 |
9 | 281382610 |
10 | 125120223 |
11 | 64699748 |
12 | 35a9b653 |
13 | 1cbca647 |
14 | 1288da6b |
15 | aeb79d3 |
hex | 7752edf |
125120223 has 12 divisors (see below), whose sum is σ = 180831040. Its totient is φ = 83366496.
The previous prime is 125120213. The next prime is 125120231. The reversal of 125120223 is 322021521.
It is not a de Polignac number, because 125120223 - 212 = 125116127 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 125120196 and 125120205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125120213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21915 + ... + 27027.
Almost surely, 2125120223 is an apocalyptic number.
125120223 is a deficient number, since it is larger than the sum of its proper divisors (55710817).
125120223 is a wasteful number, since it uses less digits than its factorization.
125120223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7838 (or 7835 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 125120223 is about 11185.7151313629. The cubic root of 125120223 is about 500.1602459703.
Adding to 125120223 its reverse (322021521), we get a palindrome (447141744).
The spelling of 125120223 in words is "one hundred twenty-five million, one hundred twenty thousand, two hundred twenty-three".
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