Base | Representation |
---|---|
bin | 10110100010101011… |
… | …10110100000011110 |
3 | 1011020102020102121210 |
4 | 23101111312200132 |
5 | 144241114213042 |
6 | 5320514005250 |
7 | 605621106234 |
oct | 132125664036 |
9 | 34212212553 |
10 | 12102101022 |
11 | 5150358690 |
12 | 2418b76826 |
13 | 11ab36272b |
14 | 82b3d8954 |
15 | 4ac6dca9c |
hex | 2d157681e |
12102101022 has 64 divisors (see below), whose sum is σ = 26710848000. Its totient is φ = 3625015680.
The previous prime is 12102101021. The next prime is 12102101047. The reversal of 12102101022 is 22010120121.
12102101022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 12102100989 and 12102101007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12102101021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2059104 + ... + 2064972.
It is an arithmetic number, because the mean of its divisors is an integer number (417357000).
Almost surely, 212102101022 is an apocalyptic number.
12102101022 is an abundant number, since it is smaller than the sum of its proper divisors (14608746978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12102101022 is a wasteful number, since it uses less digits than its factorization.
12102101022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6241.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 12102101022 its reverse (22010120121), we get a palindrome (34112221143).
The spelling of 12102101022 in words is "twelve billion, one hundred two million, one hundred one thousand, twenty-two".
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