Base | Representation |
---|---|
bin | 10010101111011011… |
… | …100010101101000110 |
3 | 1220221102011111110220 |
4 | 102233123202231012 |
5 | 312203003231042 |
6 | 13124443525210 |
7 | 1311445354632 |
oct | 225733425506 |
9 | 56842144426 |
10 | 20123102022 |
11 | 8596a6a431 |
12 | 3a97229806 |
13 | 1b8904977a |
14 | d8c7abdc2 |
15 | 7cb9858ec |
hex | 4af6e2b46 |
20123102022 has 32 divisors (see below), whose sum is σ = 40540100832. Its totient is φ = 6658869504.
The previous prime is 20123102003. The next prime is 20123102023. The reversal of 20123102022 is 22020132102.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20123101992 and 20123102010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20123102023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521548 + ... + 558800.
It is an arithmetic number, because the mean of its divisors is an integer number (1266878151).
Almost surely, 220123102022 is an apocalyptic number.
20123102022 is an abundant number, since it is smaller than the sum of its proper divisors (20416998810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20123102022 is a wasteful number, since it uses less digits than its factorization.
20123102022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37912.
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 20123102022 its reverse (22020132102), we get a palindrome (42143234124).
The spelling of 20123102022 in words is "twenty billion, one hundred twenty-three million, one hundred two thousand, twenty-two".
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