Base | Representation |
---|---|
bin | 10110110001111101… |
… | …11100010011111101 |
3 | 1011120100111021200110 |
4 | 23120332330103331 |
5 | 200021430010323 |
6 | 5341334020233 |
7 | 612035642556 |
oct | 133076742375 |
9 | 34510437613 |
10 | 12230313213 |
11 | 5206769378 |
12 | 2453aa7679 |
13 | 11cbaa3531 |
14 | 84045132d |
15 | 4b8ab6793 |
hex | 2d8fbc4fd |
12230313213 has 16 divisors (see below), whose sum is σ = 17269433280. Its totient is φ = 7672540416.
The previous prime is 12230313209. The next prime is 12230313229. The reversal of 12230313213 is 31231303221.
It is not a de Polignac number, because 12230313213 - 22 = 12230313209 is a prime.
It is a super-2 number, since 2×122303132132 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 12230313213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12230313203) 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, 315583 + ... + 352211.
It is an arithmetic number, because the mean of its divisors is an integer number (1079339580).
Almost surely, 212230313213 is an apocalyptic number.
It is an amenable number.
12230313213 is a deficient number, since it is larger than the sum of its proper divisors (5039120067).
12230313213 is a wasteful number, since it uses less digits than its factorization.
12230313213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43196.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 12230313213 its reverse (31231303221), we get a palindrome (43461616434).
The spelling of 12230313213 in words is "twelve billion, two hundred thirty million, three hundred thirteen thousand, two hundred thirteen".
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