Base | Representation |
---|---|
bin | 11100001100101011… |
… | …11100111001011010 |
3 | 1110002001022220000011 |
4 | 32012111330321122 |
5 | 222001013201130 |
6 | 10542113032134 |
7 | 1044103463512 |
oct | 160625747132 |
9 | 43061286004 |
10 | 15138803290 |
11 | 6469506a86 |
12 | 2b25b5564a |
13 | 1573527790 |
14 | a38836842 |
15 | 5d90d152a |
hex | 38657ce5a |
15138803290 has 32 divisors (see below), whose sum is σ = 29352919680. Its totient is φ = 5588391744.
The previous prime is 15138803287. The next prime is 15138803357. The reversal of 15138803290 is 9230883151.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668371 + ... + 690649.
It is an arithmetic number, because the mean of its divisors is an integer number (917278740).
Almost surely, 215138803290 is an apocalyptic number.
15138803290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15138803290 is a deficient number, since it is larger than the sum of its proper divisors (14214116390).
15138803290 is a wasteful number, since it uses less digits than its factorization.
15138803290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27526.
The product of its (nonzero) digits is 51840, while the sum is 40.
The spelling of 15138803290 in words is "fifteen billion, one hundred thirty-eight million, eight hundred three thousand, two hundred ninety".
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