Base | Representation |
---|---|
bin | 1001101001000100001011… |
… | …01110011011000000001010 |
3 | 2210001220120220211111102021 |
4 | 10310202011232123000022 |
5 | 10234334102220041020 |
6 | 113032053541355054 |
7 | 4315544222251363 |
oct | 464420556330012 |
9 | 83056526744367 |
10 | 21202202112010 |
11 | 6834892396507 |
12 | 2465166708a8a |
13 | baa488b8c4aa |
14 | 534299012b6a |
15 | 26b7b80591aa |
hex | 134885b9b00a |
21202202112010 has 32 divisors (see below), whose sum is σ = 40489882776000. Its totient is φ = 7966009466112.
The previous prime is 21202202112001. The next prime is 21202202112017. The reversal of 21202202112010 is 1021120220212.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (21202202112017) 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, 124883944 + ... + 125053603.
It is an arithmetic number, because the mean of its divisors is an integer number (1265308836750).
Almost surely, 221202202112010 is an apocalyptic number.
21202202112010 is a deficient number, since it is larger than the sum of its proper divisors (19287680663990).
21202202112010 is a wasteful number, since it uses less digits than its factorization.
21202202112010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249938070.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 21202202112010 its reverse (1021120220212), we get a palindrome (22223322332222).
The spelling of 21202202112010 in words is "twenty-one trillion, two hundred two billion, two hundred two million, one hundred twelve thousand, ten".
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