Base | Representation |
---|---|
bin | 11101011010010011101… |
… | …010011101100111010110 |
3 | 21011012211202211010211122 |
4 | 131122103222131213112 |
5 | 231103214133324342 |
6 | 4144252552403542 |
7 | 266010016432133 |
oct | 35322352354726 |
9 | 7135752733748 |
10 | 2021112011222 |
11 | 70a170049347 |
12 | 2878563a65b2 |
13 | 118789436ac5 |
14 | 6db7271d58a |
15 | 378916a34d2 |
hex | 1d693a9d9d6 |
2021112011222 has 4 divisors (see below), whose sum is σ = 3031668016836. Its totient is φ = 1010556005610.
The previous prime is 2021112011189. The next prime is 2021112011309. The reversal of 2021112011222 is 2221102111202.
It is a semiprime because it is the product of two primes.
It is a self number, because there is not a number n which added to its sum of digits gives 2021112011222.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505278002804 + ... + 505278002807.
It is an arithmetic number, because the mean of its divisors is an integer number (757917004209).
Almost surely, 22021112011222 is an apocalyptic number.
2021112011222 is a deficient number, since it is larger than the sum of its proper divisors (1010556005614).
2021112011222 is a wasteful number, since it uses less digits than its factorization.
2021112011222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1010556005613.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 2021112011222 its reverse (2221102111202), we get a palindrome (4242214122424).
The spelling of 2021112011222 in words is "two trillion, twenty-one billion, one hundred twelve million, eleven thousand, two hundred twenty-two".
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