Base | Representation |
---|---|
bin | 1100011010010001110… |
… | …0011000011101000001 |
3 | 202101100010120010100101 |
4 | 3012210130120131001 |
5 | 11443124322113441 |
6 | 241540503322401 |
7 | 21255412441231 |
oct | 3064434303501 |
9 | 671303503311 |
10 | 213212301121 |
11 | 82471870626 |
12 | 353a4450401 |
13 | 1714b694231 |
14 | a468b11cc1 |
15 | 582d360231 |
hex | 31a4718741 |
213212301121 has 8 divisors (see below), whose sum is σ = 224999334080. Its totient is φ = 201481801488.
The previous prime is 213212301119. The next prime is 213212301143. The reversal of 213212301121 is 121103212312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 213212301121 - 21 = 213212301119 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (213212301221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14125581 + ... + 14140666.
It is an arithmetic number, because the mean of its divisors is an integer number (28124916760).
Almost surely, 2213212301121 is an apocalyptic number.
It is an amenable number.
213212301121 is a deficient number, since it is larger than the sum of its proper divisors (11787032959).
213212301121 is a wasteful number, since it uses less digits than its factorization.
213212301121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28266663.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 213212301121 its reverse (121103212312), we get a palindrome (334315513433).
The spelling of 213212301121 in words is "two hundred thirteen billion, two hundred twelve million, three hundred one thousand, one hundred twenty-one".
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