Base | Representation |
---|---|
bin | 10000011110110… |
… | …10111010011101 |
3 | 100122011100020101 |
4 | 20033122322131 |
5 | 240343311000 |
6 | 21415221101 |
7 | 3266122513 |
oct | 1017327235 |
9 | 318140211 |
10 | 138260125 |
11 | 71053973 |
12 | 3a377791 |
13 | 2284b433 |
14 | 145104b3 |
15 | c210e6a |
hex | 83dae9d |
138260125 has 16 divisors (see below), whose sum is σ = 173481984. Its totient is φ = 110010000.
The previous prime is 138260119. The next prime is 138260141. The reversal of 138260125 is 521062831.
It is not a de Polignac number, because 138260125 - 29 = 138259613 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 138260093 and 138260102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20980 + ... + 26770.
It is an arithmetic number, because the mean of its divisors is an integer number (10842624).
Almost surely, 2138260125 is an apocalyptic number.
It is an amenable number.
138260125 is a deficient number, since it is larger than the sum of its proper divisors (35221859).
138260125 is an equidigital number, since it uses as much as digits as its factorization.
138260125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5997 (or 5987 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 138260125 is about 11758.4065672182. The cubic root of 138260125 is about 517.0894158243.
The spelling of 138260125 in words is "one hundred thirty-eight million, two hundred sixty thousand, one hundred twenty-five".
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