Base | Representation |
---|---|
bin | 1110111100011… |
… | …00111101000001 |
3 | 22201212211200210 |
4 | 13132030331001 |
5 | 224042423024 |
6 | 20234504333 |
7 | 3051344616 |
oct | 736147501 |
9 | 281784623 |
10 | 125357889 |
11 | 64841268 |
12 | 35b950a9 |
13 | 1cc81887 |
14 | 1291250d |
15 | b013129 |
hex | 778cf41 |
125357889 has 16 divisors (see below), whose sum is σ = 175214592. Its totient is φ = 79570128.
The previous prime is 125357851. The next prime is 125357909. The reversal of 125357889 is 988753521.
It is not a de Polignac number, because 125357889 - 27 = 125357761 is a prime.
It is not an unprimeable number, because it can be changed into a prime (125357819) 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, 11314 + ... + 19460.
It is an arithmetic number, because the mean of its divisors is an integer number (10950912).
Almost surely, 2125357889 is an apocalyptic number.
It is an amenable number.
125357889 is a deficient number, since it is larger than the sum of its proper divisors (49856703).
125357889 is a wasteful number, since it uses less digits than its factorization.
125357889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8396.
The product of its digits is 604800, while the sum is 48.
The square root of 125357889 is about 11196.3337302887. Note that the first 3 decimals coincide. The cubic root of 125357889 is about 500.4767306447.
It can be divided in two parts, 12 and 5357889, that added together give a triangular number (5357901 = T3273).
The spelling of 125357889 in words is "one hundred twenty-five million, three hundred fifty-seven thousand, eight hundred eighty-nine".
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