Base | Representation |
---|---|
bin | 11000011100101011… |
… | …10111001110001000 |
3 | 1020212201222012110121 |
4 | 30032111313032020 |
5 | 203340112422440 |
6 | 10010233153024 |
7 | 643156013005 |
oct | 141625671610 |
9 | 36781865417 |
10 | 13125514120 |
11 | 5626013034 |
12 | 266385b774 |
13 | 13123a9704 |
14 | 8c72bc8ac |
15 | 51c49634a |
hex | 30e577388 |
13125514120 has 32 divisors (see below), whose sum is σ = 29538797400. Its totient is φ = 5249069568.
The previous prime is 13125514117. The next prime is 13125514123. The reversal of 13125514120 is 2141552131.
13125514120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (13125514117) and next prime (13125514123).
It can be written as a sum of positive squares in 4 ways, for example, as 11290762564 + 1834751556 = 106258^2 + 42834^2 .
It is not an unprimeable number, because it can be changed into a prime (13125514123) 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 7 ways as a sum of consecutive naturals, for example, 165742 + ... + 231778.
Almost surely, 213125514120 is an apocalyptic number.
13125514120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13125514120 is an abundant number, since it is smaller than the sum of its proper divisors (16413283280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13125514120 is a wasteful number, since it uses less digits than its factorization.
13125514120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71017 (or 71013 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 25.
The spelling of 13125514120 in words is "thirteen billion, one hundred twenty-five million, five hundred fourteen thousand, one hundred twenty".
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