Base | Representation |
---|---|
bin | 10110101110100110… |
… | …10100010110001111 |
3 | 1011111101101220120202 |
4 | 23113103110112033 |
5 | 144442214200421 |
6 | 5334445204115 |
7 | 611244065615 |
oct | 132723242617 |
9 | 34441356522 |
10 | 12202100111 |
11 | 51a1849463 |
12 | 244656063b |
13 | 11c5ca59a6 |
14 | 83a7c96b5 |
15 | 4b639210b |
hex | 2d74d458f |
12202100111 has 4 divisors (see below), whose sum is σ = 12202344000. Its totient is φ = 12201856224.
The previous prime is 12202100101. The next prime is 12202100129. The reversal of 12202100111 is 11100120221.
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-12202100111 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12202100092 and 12202100101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12202100101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16511 + ... + 157088.
It is an arithmetic number, because the mean of its divisors is an integer number (3050586000).
Almost surely, 212202100111 is an apocalyptic number.
12202100111 is a deficient number, since it is larger than the sum of its proper divisors (243889).
12202100111 is an equidigital number, since it uses as much as digits as its factorization.
12202100111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 243888.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 12202100111 its reverse (11100120221), we get a palindrome (23302220332).
The spelling of 12202100111 in words is "twelve billion, two hundred two million, one hundred thousand, one hundred eleven".
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