Base | Representation |
---|---|
bin | 11101011010010100001… |
… | …001101101010110001010 |
3 | 21011012212100020021122022 |
4 | 131122110021231112022 |
5 | 231103223232431442 |
6 | 4144253444124442 |
7 | 266010146155250 |
oct | 35322411552612 |
9 | 7135770207568 |
10 | 2021120202122 |
11 | 70a17473328a |
12 | 287859096722 |
13 | 11878b0440a8 |
14 | 6db738525d0 |
15 | 378922703d2 |
hex | 1d69426d58a |
2021120202122 has 16 divisors (see below), whose sum is σ = 3516490587840. Its totient is φ = 853266097728.
The previous prime is 2021120202083. The next prime is 2021120202181. The reversal of 2021120202122 is 2212020211202.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 2021120202122.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077355247 + ... + 1077357122.
It is an arithmetic number, because the mean of its divisors is an integer number (219780661740).
Almost surely, 22021120202122 is an apocalyptic number.
2021120202122 is a deficient number, since it is larger than the sum of its proper divisors (1495370385718).
2021120202122 is a wasteful number, since it uses less digits than its factorization.
2021120202122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2154712445.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 2021120202122 its reverse (2212020211202), we get a palindrome (4233140413324).
The spelling of 2021120202122 in words is "two trillion, twenty-one billion, one hundred twenty million, two hundred two thousand, one hundred twenty-two".
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