Base | Representation |
---|---|
bin | 10110100101000101… |
… | …00011111011100011 |
3 | 1011021211002001222110 |
4 | 23102202203323203 |
5 | 144311241210034 |
6 | 5322513010403 |
7 | 606254041113 |
oct | 132242437343 |
9 | 34254061873 |
10 | 12122210019 |
11 | 5160742897 |
12 | 2423853a03 |
13 | 11b258364a |
14 | 82dd51043 |
15 | 4ae360de9 |
hex | 2d28a3ee3 |
12122210019 has 8 divisors (see below), whose sum is σ = 16557165072. Its totient is φ = 7884364160.
The previous prime is 12122210011. The next prime is 12122210029. The reversal of 12122210019 is 91001222121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12122210019 - 23 = 12122210011 is a prime.
It is a super-2 number, since 2×121222100192 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12122209977 and 12122210004.
It is not an unprimeable number, because it can be changed into a prime (12122210011) 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, 49277154 + ... + 49277399.
It is an arithmetic number, because the mean of its divisors is an integer number (2069645634).
Almost surely, 212122210019 is an apocalyptic number.
12122210019 is a deficient number, since it is larger than the sum of its proper divisors (4434955053).
12122210019 is an equidigital number, since it uses as much as digits as its factorization.
12122210019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98554597.
The product of its (nonzero) digits is 144, while the sum is 21.
The spelling of 12122210019 in words is "twelve billion, one hundred twenty-two million, two hundred ten thousand, nineteen".
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