Base | Representation |
---|---|
bin | 11100001011011100… |
… | …01101101010001110 |
3 | 1110001022201122102122 |
4 | 32011232031222032 |
5 | 221440331324230 |
6 | 10541101452542 |
7 | 1043616106121 |
oct | 160556155216 |
9 | 43038648378 |
10 | 15128386190 |
11 | 6463641505 |
12 | 2b22571152 |
13 | 157131b108 |
14 | a372c43b8 |
15 | 5d8224be5 |
hex | 385b8da8e |
15128386190 has 16 divisors (see below), whose sum is σ = 28832924592. Its totient is φ = 5695392384.
The previous prime is 15128386151. The next prime is 15128386223. The reversal of 15128386190 is 9168382151.
It is a super-2 number, since 2×151283861902 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44495084 + ... + 44495423.
It is an arithmetic number, because the mean of its divisors is an integer number (1802057787).
Almost surely, 215128386190 is an apocalyptic number.
15128386190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15128386190 is a deficient number, since it is larger than the sum of its proper divisors (13704538402).
15128386190 is a wasteful number, since it uses less digits than its factorization.
15128386190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88990531.
The product of its (nonzero) digits is 103680, while the sum is 44.
The spelling of 15128386190 in words is "fifteen billion, one hundred twenty-eight million, three hundred eighty-six thousand, one hundred ninety".
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