Base | Representation |
---|---|
bin | 1110111010000… |
… | …00000011101011 |
3 | 22201021211122101 |
4 | 13131000003223 |
5 | 224002333143 |
6 | 20224034231 |
7 | 3045563425 |
oct | 735000353 |
9 | 281254571 |
10 | 125042923 |
11 | 64646665 |
12 | 35a62977 |
13 | 1cba13c5 |
14 | 1286d815 |
15 | ae9eb4d |
hex | 77400eb |
125042923 has 4 divisors (see below), whose sum is σ = 125504608. Its totient is φ = 124581240.
The previous prime is 125042921. The next prime is 125042959. The reversal of 125042923 is 329240521.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 125042923 - 21 = 125042921 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 125042891 and 125042900.
It is not an unprimeable number, because it can be changed into a prime (125042921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230436 + ... + 230977.
It is an arithmetic number, because the mean of its divisors is an integer number (31376152).
Almost surely, 2125042923 is an apocalyptic number.
125042923 is a deficient number, since it is larger than the sum of its proper divisors (461685).
125042923 is an equidigital number, since it uses as much as digits as its factorization.
125042923 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 461684.
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 125042923 is about 11182.2592976554. The cubic root of 125042923 is about 500.0572241172.
The spelling of 125042923 in words is "one hundred twenty-five million, forty-two thousand, nine hundred twenty-three".
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