Base | Representation |
---|---|
bin | 1110111111000… |
… | …11011110010001 |
3 | 22202112211211010 |
4 | 13133203132101 |
5 | 224140243043 |
6 | 20250241133 |
7 | 3054352041 |
oct | 737433621 |
9 | 282484733 |
10 | 125712273 |
11 | 64a63545 |
12 | 361261a9 |
13 | 20076c7b |
14 | 129a5721 |
15 | b083133 |
hex | 77e3791 |
125712273 has 32 divisors (see below), whose sum is σ = 184165632. Its totient is φ = 76032000.
The previous prime is 125712271. The next prime is 125712289. The reversal of 125712273 is 372217521.
It is not a de Polignac number, because 125712273 - 21 = 125712271 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 125712273.
It is not an unprimeable number, because it can be changed into a prime (125712271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104073 + ... + 105273.
It is an arithmetic number, because the mean of its divisors is an integer number (5755176).
Almost surely, 2125712273 is an apocalyptic number.
It is an amenable number.
125712273 is a deficient number, since it is larger than the sum of its proper divisors (58453359).
125712273 is a wasteful number, since it uses less digits than its factorization.
125712273 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1305.
The product of its digits is 5880, while the sum is 30.
The square root of 125712273 is about 11212.1484560275. The cubic root of 125712273 is about 500.9478991721.
Adding to 125712273 its reverse (372217521), we get a palindrome (497929794).
It can be divided in two parts, 1257 and 12273, that added together give a triangular number (13530 = T164).
The spelling of 125712273 in words is "one hundred twenty-five million, seven hundred twelve thousand, two hundred seventy-three".
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