Base | Representation |
---|---|
bin | 1100010101110101110… |
… | …0011011111100101111 |
3 | 202021021010011112000101 |
4 | 3011131130123330233 |
5 | 11433204402224403 |
6 | 241222352411531 |
7 | 21214036616203 |
oct | 3053534337457 |
9 | 667233145011 |
10 | 212021133103 |
11 | 81a1044744a |
12 | 35111546ba7 |
13 | 16cbb972aa0 |
14 | a394840b03 |
15 | 57ad9bb71d |
hex | 315d71bf2f |
212021133103 has 16 divisors (see below), whose sum is σ = 242279462880. Its totient is φ = 183804834816.
The previous prime is 212021133101. The next prime is 212021133113. The reversal of 212021133103 is 301331120212.
It is a cyclic number.
It is not a de Polignac number, because 212021133103 - 21 = 212021133101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212021133101) 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, 923958 + ... + 1130371.
It is an arithmetic number, because the mean of its divisors is an integer number (15142466430).
Almost surely, 2212021133103 is an apocalyptic number.
212021133103 is a deficient number, since it is larger than the sum of its proper divisors (30258329777).
212021133103 is a wasteful number, since it uses less digits than its factorization.
212021133103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2054826.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 212021133103 its reverse (301331120212), we get a palindrome (513352253315).
The spelling of 212021133103 in words is "two hundred twelve billion, twenty-one million, one hundred thirty-three thousand, one hundred three".
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