Base | Representation |
---|---|
bin | 100000010100011110000… |
… | …010010000111001011011 |
3 | 21212022210110002210001211 |
4 | 200110132002100321123 |
5 | 242342103003031021 |
6 | 4420151512523551 |
7 | 316314333345442 |
oct | 40243602207133 |
9 | 7768713083054 |
10 | 2221002002011 |
11 | 786a15801a41 |
12 | 2ba5410b05b7 |
13 | 131593a19670 |
14 | 796d5d65d59 |
15 | 3cb901473e1 |
hex | 2051e090e5b |
2221002002011 has 16 divisors (see below), whose sum is σ = 2432724386400. Its totient is φ = 2015128666368.
The previous prime is 2221002001997. The next prime is 2221002002027. The reversal of 2221002002011 is 1102002001222.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2221002002011 - 233 = 2212412067419 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2221002001982 and 2221002002000.
It is not an unprimeable number, because it can be changed into a prime (2221002002041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5455545 + ... + 5848501.
It is an arithmetic number, because the mean of its divisors is an integer number (152045274150).
Almost surely, 22221002002011 is an apocalyptic number.
2221002002011 is a deficient number, since it is larger than the sum of its proper divisors (211722384389).
2221002002011 is a wasteful number, since it uses less digits than its factorization.
2221002002011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400398.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 2221002002011 its reverse (1102002001222), we get a palindrome (3323004003233).
The spelling of 2221002002011 in words is "two trillion, two hundred twenty-one billion, two million, two thousand, eleven".
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