Base | Representation |
---|---|
bin | 11101011001011101011… |
… | …011110110011100100111 |
3 | 21011010111100212111201020 |
4 | 131121131123312130213 |
5 | 231044333231223421 |
6 | 4144022412302223 |
7 | 265645331315520 |
oct | 35313533663447 |
9 | 7133440774636 |
10 | 2020202211111 |
11 | 709843533027 |
12 | 287641771973 |
13 | 118672abb846 |
14 | 6dac7971847 |
15 | 3783b88cdc6 |
hex | 1d65d6f6727 |
2020202211111 has 32 divisors (see below), whose sum is σ = 3262164917760. Its totient is φ = 1085602308096.
The previous prime is 2020202211109. The next prime is 2020202211113. The reversal of 2020202211111 is 1111122020202.
It is an interprime number because it is at equal distance from previous prime (2020202211109) and next prime (2020202211113).
It is not a de Polignac number, because 2020202211111 - 21 = 2020202211109 is a prime.
It is a super-3 number, since 3×20202022111113 (a number of 38 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020202211113) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1890441 + ... + 2759378.
It is an arithmetic number, because the mean of its divisors is an integer number (101942653680).
Almost surely, 22020202211111 is an apocalyptic number.
2020202211111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2020202211111 is a deficient number, since it is larger than the sum of its proper divisors (1241962706649).
2020202211111 is a wasteful number, since it uses less digits than its factorization.
2020202211111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4651063.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 2020202211111 its reverse (1111122020202), we get a palindrome (3131324231313).
The spelling of 2020202211111 in words is "two trillion, twenty billion, two hundred two million, two hundred eleven thousand, one hundred eleven".
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