Base | Representation |
---|---|
bin | 10110101111110010… |
… | …00101010100010110 |
3 | 1011112002000212201010 |
4 | 23113321011110112 |
5 | 200002233000042 |
6 | 5335441313050 |
7 | 611424200415 |
oct | 132771052426 |
9 | 34462025633 |
10 | 12212000022 |
11 | 51a73a0402 |
12 | 2449935786 |
13 | 11c8060b21 |
14 | 83bc4547c |
15 | 4b719a59c |
hex | 2d7e45516 |
12212000022 has 16 divisors (see below), whose sum is σ = 24429658032. Its totient is φ = 4069723680.
The previous prime is 12211999999. The next prime is 12212000023. The reversal of 12212000022 is 22000021221.
It is a junction number, because it is equal to n+sod(n) for n = 12211999971 and 12212000007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12212000023) 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, 207429 + ... + 259712.
It is an arithmetic number, because the mean of its divisors is an integer number (1526853627).
Almost surely, 212212000022 is an apocalyptic number.
12212000022 is an abundant number, since it is smaller than the sum of its proper divisors (12217658010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12212000022 is a wasteful number, since it uses less digits than its factorization.
12212000022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 471503.
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 12212000022 its reverse (22000021221), we get a palindrome (34212021243).
The spelling of 12212000022 in words is "twelve billion, two hundred twelve million, twenty-two", and thus it is an aban number.
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