Base | Representation |
---|---|
bin | 1011000110111001011101… |
… | …1101110101011001010111 |
3 | 1121020120020020210121221221 |
4 | 2301232113131311121113 |
5 | 3100044444044444111 |
6 | 41550345210151211 |
7 | 2400240553235125 |
oct | 261562735653127 |
9 | 47216206717857 |
10 | 12213133203031 |
11 | 398961932a902 |
12 | 1452ba1722507 |
13 | 6a790287b0c7 |
14 | 303193dc0915 |
15 | 162a59359371 |
hex | b1b97775657 |
12213133203031 has 6 divisors (see below), whose sum is σ = 12552139093200. Its totient is φ = 11883048520536.
The previous prime is 12213133203013. The next prime is 12213133203067. The reversal of 12213133203031 is 13030233131221.
It is not a de Polignac number, because 12213133203031 - 213 = 12213133194839 is a prime.
It is a super-2 number, since 2×122131332030312 (a number of 27 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 = 12213133202987 and 12213133203005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12213133203331) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4460602431 + ... + 4460605168.
It is an arithmetic number, because the mean of its divisors is an integer number (2092023182200).
Almost surely, 212213133203031 is an apocalyptic number.
12213133203031 is a deficient number, since it is larger than the sum of its proper divisors (339005890169).
12213133203031 is an frugal number, since it uses more digits than its factorization.
12213133203031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8921207673 (or 8921207636 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 12213133203031 its reverse (13030233131221), we get a palindrome (25243366334252).
The spelling of 12213133203031 in words is "twelve trillion, two hundred thirteen billion, one hundred thirty-three million, two hundred three thousand, thirty-one".
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