Base | Representation |
---|---|
bin | 11100010010110110… |
… | …10001011101100010 |
3 | 1110012122122212120011 |
4 | 32021123101131202 |
5 | 222102233424030 |
6 | 10551201435134 |
7 | 1045302242104 |
oct | 161133213542 |
9 | 43178585504 |
10 | 15190529890 |
11 | 6495726a38 |
12 | 2b3b33baaa |
13 | 1581168a33 |
14 | a4165d574 |
15 | 5dd8ecb2a |
hex | 3896d1762 |
15190529890 has 16 divisors (see below), whose sum is σ = 27369752760. Its totient is φ = 6070256640.
The previous prime is 15190529869. The next prime is 15190529903. The reversal of 15190529890 is 9892509151.
15190529890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 7875320049 + 7315209841 = 88743^2 + 85529^2 .
It is an unprimeable number.
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, 733695 + ... + 754114.
Almost surely, 215190529890 is an apocalyptic number.
15190529890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15190529890 is a deficient number, since it is larger than the sum of its proper divisors (12179222870).
15190529890 is a wasteful number, since it uses less digits than its factorization.
15190529890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1488837.
The product of its (nonzero) digits is 291600, while the sum is 49.
The spelling of 15190529890 in words is "fifteen billion, one hundred ninety million, five hundred twenty-nine thousand, eight hundred ninety".
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