Base | Representation |
---|---|
bin | 10110110000111111… |
… | …01001110100110110 |
3 | 1011112210001120101220 |
4 | 23120133221310312 |
5 | 200012330023110 |
6 | 5340442131210 |
7 | 611606141523 |
oct | 133037516466 |
9 | 34483046356 |
10 | 12222111030 |
11 | 5202076a08 |
12 | 24511b0b06 |
13 | 11ca19107c |
14 | 83d31814a |
15 | 4b7ee6370 |
hex | 2d87e9d36 |
12222111030 has 16 divisors (see below), whose sum is σ = 29333066544. Its totient is φ = 3259229600.
The previous prime is 12222111023. The next prime is 12222111047. The reversal of 12222111030 is 3011122221.
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 7 ways as a sum of consecutive naturals, for example, 203701821 + ... + 203701880.
It is an arithmetic number, because the mean of its divisors is an integer number (1833316659).
Almost surely, 212222111030 is an apocalyptic number.
12222111030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12222111030 is an abundant number, since it is smaller than the sum of its proper divisors (17110955514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12222111030 is a wasteful number, since it uses less digits than its factorization.
12222111030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 407403711.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 12222111030 its reverse (3011122221), we get a palindrome (15233233251).
The spelling of 12222111030 in words is "twelve billion, two hundred twenty-two million, one hundred eleven thousand, thirty".
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