Base | Representation |
---|---|
bin | 10110100010011011… |
… | …11010011100110011 |
3 | 1011020021022201000121 |
4 | 23101031322130303 |
5 | 144240101120034 |
6 | 5320401231111 |
7 | 605564321203 |
oct | 132115723463 |
9 | 34207281017 |
10 | 12100020019 |
11 | 514a16714a |
12 | 2418332497 |
13 | 11aaab4479 |
14 | 82b016403 |
15 | 4ac42b1b4 |
hex | 2d137a733 |
12100020019 has 8 divisors (see below), whose sum is σ = 12130352640. Its totient is φ = 12069710856.
The previous prime is 12100019947. The next prime is 12100020029. The reversal of 12100020019 is 91002000121.
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 12100020019 - 27 = 12100019891 is a prime.
It is a super-2 number, since 2×121000200192 (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 = 12100019984 and 12100020011.
It is not an unprimeable number, because it can be changed into a prime (12100020029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468092 + ... + 1476310.
It is an arithmetic number, because the mean of its divisors is an integer number (1516294080).
Almost surely, 212100020019 is an apocalyptic number.
12100020019 is a deficient number, since it is larger than the sum of its proper divisors (30332621).
12100020019 is an equidigital number, since it uses as much as digits as its factorization.
12100020019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11729.
The product of its (nonzero) digits is 36, while the sum is 16.
The spelling of 12100020019 in words is "twelve billion, one hundred million, twenty thousand, nineteen".
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