Base | Representation |
---|---|
bin | 10110110000110000… |
… | …11100101010010101 |
3 | 1011112122111121021120 |
4 | 23120120130222111 |
5 | 200011334101401 |
6 | 5340333434153 |
7 | 611554113453 |
oct | 133030345225 |
9 | 34478447246 |
10 | 12220222101 |
11 | 5200aa680a |
12 | 245063b959 |
13 | 11c997c369 |
14 | 83cd859d3 |
15 | 4b7c71836 |
hex | 2d861ca95 |
12220222101 has 16 divisors (see below), whose sum is σ = 17311036800. Its totient is φ = 7653296448.
The previous prime is 12220222093. The next prime is 12220222117. The reversal of 12220222101 is 10122202221.
It is not a de Polignac number, because 12220222101 - 23 = 12220222093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12220222121) 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, 1894921 + ... + 1901358.
It is an arithmetic number, because the mean of its divisors is an integer number (1081939800).
Almost surely, 212220222101 is an apocalyptic number.
It is an amenable number.
12220222101 is a deficient number, since it is larger than the sum of its proper divisors (5090814699).
12220222101 is a wasteful number, since it uses less digits than its factorization.
12220222101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3796348.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 12220222101 its reverse (10122202221), we get a palindrome (22342424322).
The spelling of 12220222101 in words is "twelve billion, two hundred twenty million, two hundred twenty-two thousand, one hundred one".
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