Base | Representation |
---|---|
bin | 101101111011110001111111… |
… | …100101010001010000110010 |
3 | 222111021221111122010200010210 |
4 | 231323301333211101100302 |
5 | 202434344403341223442 |
6 | 1553354450414404550 |
7 | 60360323301632400 |
oct | 5573617745212062 |
9 | 874257448120123 |
10 | 202020222211122 |
11 | 59408327866707 |
12 | 1a7a8a57800756 |
13 | 889556b260b43 |
14 | 37c5b8c0c0470 |
15 | 185502257d19c |
hex | b7bc7f951432 |
202020222211122 has 96 divisors (see below), whose sum is σ = 482947294759488. Its totient is φ = 56132349646464.
The previous prime is 202020222211117. The next prime is 202020222211133. The reversal of 202020222211122 is 221112222020202.
It is a super-2 number, since 2×2020202222111222 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17468688 + ... + 26630724.
It is an arithmetic number, because the mean of its divisors is an integer number (5030700987078).
Almost surely, 2202020222211122 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 202020222211122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241473647379744).
202020222211122 is an abundant number, since it is smaller than the sum of its proper divisors (280927072548366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202020222211122 is a wasteful number, since it uses less digits than its factorization.
202020222211122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9164120 (or 9164113 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 202020222211122 its reverse (221112222020202), we get a palindrome (423132444231324).
The spelling of 202020222211122 in words is "two hundred two trillion, twenty billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-two".
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