Base | Representation |
---|---|
bin | 11110101110001101011… |
… | …000110000100100101001 |
3 | 21110211101020011222022211 |
4 | 132232031120300210221 |
5 | 234042214430121301 |
6 | 4253512232445121 |
7 | 305346346403110 |
oct | 36561530604451 |
9 | 7424336158284 |
10 | 2111201020201 |
11 | 74439aa34179 |
12 | 2a11b8b497a1 |
13 | 124115821c00 |
14 | 7427b38ac77 |
15 | 39db5763051 |
hex | 1eb8d630929 |
2111201020201 has 24 divisors (see below), whose sum is σ = 2656960954560. Its totient is φ = 1642088874816.
The previous prime is 2111201020199. The next prime is 2111201020207. The reversal of 2111201020201 is 1020201021112.
It is not a de Polignac number, because 2111201020201 - 21 = 2111201020199 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 not an unprimeable number, because it can be changed into a prime (2111201020207) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15054070 + ... + 15193663.
It is an arithmetic number, because the mean of its divisors is an integer number (110706706440).
Almost surely, 22111201020201 is an apocalyptic number.
It is an amenable number.
2111201020201 is a deficient number, since it is larger than the sum of its proper divisors (545759934359).
2111201020201 is a wasteful number, since it uses less digits than its factorization.
2111201020201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30247825 (or 30247812 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2111201020201 its reverse (1020201021112), we get a palindrome (3131402041313).
It can be divided in two parts, 211120 and 1020201, that added together give a palindrome (1231321).
The spelling of 2111201020201 in words is "two trillion, one hundred eleven billion, two hundred one million, twenty thousand, two hundred one".
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