Base | Representation |
---|---|
bin | 10110110001111100… |
… | …01111111000010011 |
3 | 1011120100011001000221 |
4 | 23120332033320103 |
5 | 200021403144334 |
6 | 5341330053511 |
7 | 612034254145 |
oct | 133076177023 |
9 | 34510131027 |
10 | 12230131219 |
11 | 5206654669 |
12 | 2453a1a297 |
13 | 11cba3b747 |
14 | 840404c95 |
15 | 4b8a7c8b4 |
hex | 2d8f8fe13 |
12230131219 has 16 divisors (see below), whose sum is σ = 12717460000. Its totient is φ = 11751588864.
The previous prime is 12230131187. The next prime is 12230131231. The reversal of 12230131219 is 91213103221.
It is a cyclic number.
It is not a de Polignac number, because 12230131219 - 25 = 12230131187 is a prime.
It is a super-2 number, since 2×122301312192 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12230131193 and 12230131202.
It is not an unprimeable number, because it can be changed into a prime (12230131289) 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, 1787497 + ... + 1794325.
It is an arithmetic number, because the mean of its divisors is an integer number (794841250).
Almost surely, 212230131219 is an apocalyptic number.
12230131219 is a deficient number, since it is larger than the sum of its proper divisors (487328781).
12230131219 is an equidigital number, since it uses as much as digits as its factorization.
12230131219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7462.
The product of its (nonzero) digits is 648, while the sum is 25.
The spelling of 12230131219 in words is "twelve billion, two hundred thirty million, one hundred thirty-one thousand, two hundred nineteen".
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