Base | Representation |
---|---|
bin | 10111011010011100… |
… | …10101000010101110 |
3 | 1012110000110121211011 |
4 | 23231032111002232 |
5 | 201220343002430 |
6 | 5435144215434 |
7 | 623331211336 |
oct | 135516250256 |
9 | 35400417734 |
10 | 12569890990 |
11 | 5370415168 |
12 | 252976a57a |
13 | 125424a927 |
14 | 8735a80c6 |
15 | 4d87e222a |
hex | 2ed3950ae |
12569890990 has 32 divisors (see below), whose sum is σ = 23918937120. Its totient is φ = 4742866944.
The previous prime is 12569890979. The next prime is 12569890999. The reversal of 12569890990 is 9909896521.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12569890999) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97699 + ... + 186238.
It is an arithmetic number, because the mean of its divisors is an integer number (747466785).
Almost surely, 212569890990 is an apocalyptic number.
12569890990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12569890990 is a deficient number, since it is larger than the sum of its proper divisors (11349046130).
12569890990 is a wasteful number, since it uses less digits than its factorization.
12569890990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284196.
The product of its (nonzero) digits is 3149280, while the sum is 58.
The spelling of 12569890990 in words is "twelve billion, five hundred sixty-nine million, eight hundred ninety thousand, nine hundred ninety".
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