Base | Representation |
---|---|
bin | 1000000100111000100… |
… | …1001111101111111101 |
3 | 111021010201121022021112 |
4 | 2001032021033233331 |
5 | 4233130000001000 |
6 | 143424010011405 |
7 | 13011232353542 |
oct | 2011611175775 |
9 | 437121538245 |
10 | 138750000125 |
11 | 539308377a0 |
12 | 22a83116b65 |
13 | 101129124b9 |
14 | 6a03604bc9 |
15 | 392110b235 |
hex | 204e24fbfd |
138750000125 has 16 divisors (see below), whose sum is σ = 188901820224. Its totient is φ = 100909090000.
The previous prime is 138750000119. The next prime is 138750000149. The reversal of 138750000125 is 521000057831.
It is not a de Polignac number, because 138750000125 - 224 = 138733222909 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 138750000091 and 138750000100.
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, 50453171 + ... + 50455920.
It is an arithmetic number, because the mean of its divisors is an integer number (11806363764).
Almost surely, 2138750000125 is an apocalyptic number.
It is an amenable number.
138750000125 is a deficient number, since it is larger than the sum of its proper divisors (50151820099).
138750000125 is a wasteful number, since it uses less digits than its factorization.
138750000125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100909117 (or 100909107 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 32.
Adding to 138750000125 its reverse (521000057831), we get a palindrome (659750057956).
The spelling of 138750000125 in words is "one hundred thirty-eight billion, seven hundred fifty million, one hundred twenty-five", and thus it is an aban number.
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