Base | Representation |
---|---|
bin | 11100001100101110… |
… | …01010000010001000 |
3 | 1110002001220221102000 |
4 | 32012113022002020 |
5 | 222001103303430 |
6 | 10542123511000 |
7 | 1044106250610 |
oct | 160627120210 |
9 | 43061827360 |
10 | 15139119240 |
11 | 64697023a3 |
12 | 2b26088460 |
13 | 157360852b |
14 | a388b9a40 |
15 | 5d9144e60 |
hex | 3865ca088 |
15139119240 has 512 divisors, whose sum is σ = 59520614400. Its totient is φ = 3351214080.
The previous prime is 15139119199. The next prime is 15139119277. The reversal of 15139119240 is 4291193151.
15139119240 is a `hidden beast` number, since 1 + 513 + 9 + 11 + 92 + 40 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 15139119195 and 15139119204.
It is an unprimeable number.
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 127 ways as a sum of consecutive naturals, for example, 48678685 + ... + 48678995.
It is an arithmetic number, because the mean of its divisors is an integer number (116251200).
Almost surely, 215139119240 is an apocalyptic number.
15139119240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 15139119240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29760307200).
15139119240 is an abundant number, since it is smaller than the sum of its proper divisors (44381495160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15139119240 is a wasteful number, since it uses less digits than its factorization.
15139119240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 522 (or 512 counting only the distinct ones).
The product of its (nonzero) digits is 9720, while the sum is 36.
The spelling of 15139119240 in words is "fifteen billion, one hundred thirty-nine million, one hundred nineteen thousand, two hundred forty".
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