Base | Representation |
---|---|
bin | 1011110000111101101… |
… | …0010100010101101010 |
3 | 201022201020020110222020 |
4 | 2330033122110111222 |
5 | 11302421214121302 |
6 | 232504212205310 |
7 | 20413525552554 |
oct | 2741732242552 |
9 | 638636213866 |
10 | 202122020202 |
11 | 787a067a403 |
12 | 3320a309836 |
13 | 160a1b49b2b |
14 | 9ad5c604d4 |
15 | 53ce8daebc |
hex | 2f0f69456a |
202122020202 has 8 divisors (see below), whose sum is σ = 404244040416. Its totient is φ = 67374006732.
The previous prime is 202122020153. The next prime is 202122020203. The reversal of 202122020202 is 202020221202.
It is a sphenic number, since it is the product of 3 distinct primes.
202122020202 is an admirable number.
It is a super-2 number, since 2×2021220202022 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (202122020203) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16843501678 + ... + 16843501689.
It is an arithmetic number, because the mean of its divisors is an integer number (50530505052).
Almost surely, 2202122020202 is an apocalyptic number.
202122020202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202122020202 is a wasteful number, since it uses less digits than its factorization.
202122020202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33687003372.
The product of its (nonzero) digits is 128, while the sum is 15.
Adding to 202122020202 its reverse (202020221202), we get a palindrome (404142241404).
The spelling of 202122020202 in words is "two hundred two billion, one hundred twenty-two million, twenty thousand, two hundred two".
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