Base | Representation |
---|---|
bin | 10110100010101011… |
… | …00011010001010110 |
3 | 1011020102002102112120 |
4 | 23101111203101112 |
5 | 144241104202410 |
6 | 5320512200410 |
7 | 605620330434 |
oct | 132125432126 |
9 | 34212072476 |
10 | 12102022230 |
11 | 5150304471 |
12 | 2418b39106 |
13 | 11ab3358cc |
14 | 82b3b7d54 |
15 | 4ac6c4570 |
hex | 2d1563456 |
12102022230 has 32 divisors (see below), whose sum is σ = 29048281344. Its totient is φ = 3226825056.
The previous prime is 12102022223. The next prime is 12102022253. The reversal of 12102022230 is 3222020121.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
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, 312519 + ... + 349101.
It is an arithmetic number, because the mean of its divisors is an integer number (907758792).
Almost surely, 212102022230 is an apocalyptic number.
12102022230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12102022230 is an abundant number, since it is smaller than the sum of its proper divisors (16946259114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12102022230 is a wasteful number, since it uses less digits than its factorization.
12102022230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47620.
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 12102022230 its reverse (3222020121), we get a palindrome (15324042351).
The spelling of 12102022230 in words is "twelve billion, one hundred two million, twenty-two thousand, two hundred thirty".
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