Base | Representation |
---|---|
bin | 10010101111010100… |
… | …010010110101100110 |
3 | 1220221021120222011112 |
4 | 102233110102311212 |
5 | 312202011431042 |
6 | 13124335105022 |
7 | 1311423252365 |
oct | 225724226546 |
9 | 56837528145 |
10 | 20121202022 |
11 | 8595991989 |
12 | 3a96672172 |
13 | 1b888329cc |
14 | d8c4357dc |
15 | 7cb70c982 |
hex | 4af512d66 |
20121202022 has 32 divisors (see below), whose sum is σ = 30890347488. Its totient is φ = 9828000000.
The previous prime is 20121202001. The next prime is 20121202039. The reversal of 20121202022 is 22020212102.
It is a junction number, because it is equal to n+sod(n) for n = 20121201988 and 20121202006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4787522 + ... + 4791722.
It is an arithmetic number, because the mean of its divisors is an integer number (965323359).
Almost surely, 220121202022 is an apocalyptic number.
20121202022 is a deficient number, since it is larger than the sum of its proper divisors (10769145466).
20121202022 is a wasteful number, since it uses less digits than its factorization.
20121202022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4616.
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 20121202022 its reverse (22020212102), we get a palindrome (42141414124).
The spelling of 20121202022 in words is "twenty billion, one hundred twenty-one million, two hundred two thousand, twenty-two".
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