Base | Representation |
---|---|
bin | 10110110000111111… |
… | …01001100101000011 |
3 | 1011112210001112000110 |
4 | 23120133221211003 |
5 | 200012330010034 |
6 | 5340442122403 |
7 | 611606135550 |
oct | 133037514503 |
9 | 34483045013 |
10 | 12222110019 |
11 | 5202076179 |
12 | 24511b0403 |
13 | 11ca190782 |
14 | 83d317a27 |
15 | 4b7ee5de9 |
hex | 2d87e9943 |
12222110019 has 16 divisors (see below), whose sum is σ = 18627338240. Its totient is φ = 6982873920.
The previous prime is 12222110009. The next prime is 12222110039. The reversal of 12222110019 is 91001122221.
It is not a de Polignac number, because 12222110019 - 215 = 12222077251 is a prime.
It is a super-2 number, since 2×122221100192 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 12222109977 and 12222110004.
It is not an unprimeable number, because it can be changed into a prime (12222110009) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85287 + ... + 178095.
It is an arithmetic number, because the mean of its divisors is an integer number (1164208640).
Almost surely, 212222110019 is an apocalyptic number.
12222110019 is a deficient number, since it is larger than the sum of its proper divisors (6405228221).
12222110019 is an equidigital number, since it uses as much as digits as its factorization.
12222110019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99090.
The product of its (nonzero) digits is 144, while the sum is 21.
The spelling of 12222110019 in words is "twelve billion, two hundred twenty-two million, one hundred ten thousand, nineteen".
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