Base | Representation |
---|---|
bin | 1100010101110101110… |
… | …0011011111110010001 |
3 | 202021021010011112011000 |
4 | 3011131130123332101 |
5 | 11433204402230301 |
6 | 241222352412213 |
7 | 21214036616403 |
oct | 3053534337621 |
9 | 667233145130 |
10 | 212021133201 |
11 | 81a10447529 |
12 | 35111547069 |
13 | 16cbb972b47 |
14 | a394840b73 |
15 | 57ad9bb786 |
hex | 315d71bf91 |
212021133201 has 16 divisors (see below), whose sum is σ = 314206214400. Its totient is φ = 141302047824.
The previous prime is 212021133193. The next prime is 212021133229. The reversal of 212021133201 is 102331120212.
212021133201 is a `hidden beast` number, since 2 + 120 + 211 + 332 + 0 + 1 = 666.
It is not a de Polignac number, because 212021133201 - 23 = 212021133193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212021133251) 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, 1174626 + ... + 1343051.
It is an arithmetic number, because the mean of its divisors is an integer number (19637888400).
Almost surely, 2212021133201 is an apocalyptic number.
It is an amenable number.
212021133201 is a deficient number, since it is larger than the sum of its proper divisors (102185081199).
212021133201 is a wasteful number, since it uses less digits than its factorization.
212021133201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2520805 (or 2520799 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 212021133201 its reverse (102331120212), we get a palindrome (314352253413).
The spelling of 212021133201 in words is "two hundred twelve billion, twenty-one million, one hundred thirty-three thousand, two hundred one".
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