Base | Representation |
---|---|
bin | 11110101111001001000… |
… | …011100101000111100111 |
3 | 21110220221222220011022201 |
4 | 132233021003211013213 |
5 | 234101242214214343 |
6 | 4254155433235331 |
7 | 305413223425504 |
oct | 36571103450747 |
9 | 7426858804281 |
10 | 2112202101223 |
11 | 744864026165 |
12 | 2a1438262b47 |
13 | 12424504a146 |
14 | 743342da4ab |
15 | 39e235a994d |
hex | 1ebc90e51e7 |
2112202101223 has 4 divisors (see below), whose sum is σ = 2115549490288. Its totient is φ = 2108854712160.
The previous prime is 2112202101197. The next prime is 2112202101277. The reversal of 2112202101223 is 3221012022112.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2112202101223 is a prime.
It is a super-2 number, since 2×21122021012232 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2112202101223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112202101623) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673693586 + ... + 1673694847.
It is an arithmetic number, because the mean of its divisors is an integer number (528887372572).
Almost surely, 22112202101223 is an apocalyptic number.
2112202101223 is a deficient number, since it is larger than the sum of its proper divisors (3347389065).
2112202101223 is an equidigital number, since it uses as much as digits as its factorization.
2112202101223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3347389064.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 2112202101223 its reverse (3221012022112), we get a palindrome (5333214123335).
The spelling of 2112202101223 in words is "two trillion, one hundred twelve billion, two hundred two million, one hundred one thousand, two hundred twenty-three".
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