Base | Representation |
---|---|
bin | 1001010010011010101111… |
… | …1101001111110011000101 |
3 | 1100011021000101110002120001 |
4 | 2110212223331033303011 |
5 | 2314303210142101041 |
6 | 33415201021041301 |
7 | 2102536300450264 |
oct | 224465375176305 |
9 | 40137011402501 |
10 | 10212022222021 |
11 | 32879923545a4 |
12 | 118b1a96b6231 |
13 | 590cb30bcb29 |
14 | 27439bb745db |
15 | 12a988a77131 |
hex | 949abf4fcc5 |
10212022222021 has 8 divisors (see below), whose sum is σ = 10389678716664. Its totient is φ = 10034696253120.
The previous prime is 10212022221997. The next prime is 10212022222043. The reversal of 10212022222021 is 12022222021201.
It can be written as a sum of positive squares in 4 ways, for example, as 97803180225 + 10114219041796 = 312735^2 + 3180286^2 .
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 10212022222021 - 233 = 10203432287429 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10212022222021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10212022222621) 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, 82569106 + ... + 82692691.
It is an arithmetic number, because the mean of its divisors is an integer number (1298709839583).
Almost surely, 210212022222021 is an apocalyptic number.
It is an amenable number.
10212022222021 is a deficient number, since it is larger than the sum of its proper divisors (177656494643).
10212022222021 is a wasteful number, since it uses less digits than its factorization.
10212022222021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 165262871.
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 10212022222021 its reverse (12022222021201), we get a palindrome (22234244243222).
The spelling of 10212022222021 in words is "ten trillion, two hundred twelve billion, twenty-two million, two hundred twenty-two thousand, twenty-one".
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