Base | Representation |
---|---|
bin | 10110110000111110… |
… | …10100001000100100 |
3 | 1011112202220001112011 |
4 | 23120133110020210 |
5 | 200012314202210 |
6 | 5340440204004 |
7 | 611605321504 |
oct | 133037241044 |
9 | 34482801464 |
10 | 12222022180 |
11 | 5202016185 |
12 | 2451169604 |
13 | 11ca15c7b4 |
14 | 83d2d3a04 |
15 | 4b7ec9d8a |
hex | 2d87d4224 |
12222022180 has 24 divisors (see below), whose sum is σ = 26494191360. Its totient is φ = 4731105120.
The previous prime is 12222022097. The next prime is 12222022181. The reversal of 12222022180 is 8122022221.
It is not an unprimeable number, because it can be changed into a prime (12222022181) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9855850 + ... + 9857089.
It is an arithmetic number, because the mean of its divisors is an integer number (1103924640).
Almost surely, 212222022180 is an apocalyptic number.
12222022180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12222022180 is an abundant number, since it is smaller than the sum of its proper divisors (14272169180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12222022180 is a wasteful number, since it uses less digits than its factorization.
12222022180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19712979 (or 19712977 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 22.
It can be divided in two parts, 122220 and 22180, that added together give a square (144400 = 3802).
The spelling of 12222022180 in words is "twelve billion, two hundred twenty-two million, twenty-two thousand, one hundred eighty".
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