Base | Representation |
---|---|
bin | 1011000111010111111001… |
… | …1100010110111010010101 |
3 | 1121021100022122022120202121 |
4 | 2301311332130112322111 |
5 | 3100213212122221323 |
6 | 41554220024135541 |
7 | 2400650201132551 |
oct | 261657634267225 |
9 | 47240278276677 |
10 | 12221303320213 |
11 | 399203112a869 |
12 | 14546a19075b1 |
13 | 6a8605414980 |
14 | 30372b0cc861 |
15 | 162d86759a5d |
hex | b1d7e716e95 |
12221303320213 has 8 divisors (see below), whose sum is σ = 13161437962848. Its totient is φ = 11281173590064.
The previous prime is 12221303320211. The next prime is 12221303320277. The reversal of 12221303320213 is 31202330312221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12221303320213 - 21 = 12221303320211 is a prime.
It is a super-2 number, since 2×122213033202132 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12221303320211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5175570 + ... + 7157452.
It is an arithmetic number, because the mean of its divisors is an integer number (1645179745356).
Almost surely, 212221303320213 is an apocalyptic number.
12221303320213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12221303320213 is a deficient number, since it is larger than the sum of its proper divisors (940134642635).
12221303320213 is a wasteful number, since it uses less digits than its factorization.
12221303320213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2456243.
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 12221303320213 its reverse (31202330312221), we get a palindrome (43423633632434).
The spelling of 12221303320213 in words is "twelve trillion, two hundred twenty-one billion, three hundred three million, three hundred twenty thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •