Base | Representation |
---|---|
bin | 10110101111100011… |
… | …11010010101010011 |
3 | 1011111221111100211101 |
4 | 23113301322111103 |
5 | 200001242320034 |
6 | 5335333125231 |
7 | 611402210356 |
oct | 132761722523 |
9 | 34457440741 |
10 | 12210120019 |
11 | 51a6326989 |
12 | 2449189817 |
13 | 11c78531b6 |
14 | 83b8b629d |
15 | 4b6e28514 |
hex | 2d7c7a553 |
12210120019 has 16 divisors (see below), whose sum is σ = 12532734720. Its totient is φ = 11891183200.
The previous prime is 12210120017. The next prime is 12210120031. The reversal of 12210120019 is 91002101221.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 12210120019 - 21 = 12210120017 is a prime.
It is a super-2 number, since 2×122101200192 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12210119978 and 12210120005.
It is not an unprimeable number, because it can be changed into a prime (12210120011) 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, 8414244 + ... + 8415694.
It is an arithmetic number, because the mean of its divisors is an integer number (783295920).
Almost surely, 212210120019 is an apocalyptic number.
12210120019 is a deficient number, since it is larger than the sum of its proper divisors (322614701).
12210120019 is a wasteful number, since it uses less digits than its factorization.
12210120019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2570.
The product of its (nonzero) digits is 72, while the sum is 19.
The spelling of 12210120019 in words is "twelve billion, two hundred ten million, one hundred twenty thousand, nineteen".
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