Base | Representation |
---|---|
bin | 10110011000110010… |
… | …11101111011111111 |
3 | 1011000122011201212201 |
4 | 23030121131323333 |
5 | 144103401203004 |
6 | 5304352212331 |
7 | 603563125123 |
oct | 131431357377 |
9 | 34018151781 |
10 | 12019162879 |
11 | 510855aa69 |
12 | 23b523a0a7 |
13 | 1197113bc9 |
14 | 8203a9583 |
15 | 4a52a86a4 |
hex | 2cc65deff |
12019162879 has 8 divisors (see below), whose sum is σ = 12069663120. Its totient is φ = 11968754496.
The previous prime is 12019162873. The next prime is 12019162901. The reversal of 12019162879 is 97826191021.
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 12019162879 - 211 = 12019160831 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12019162873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245827 + ... + 290635.
It is an arithmetic number, because the mean of its divisors is an integer number (1508707890).
Almost surely, 212019162879 is an apocalyptic number.
12019162879 is a deficient number, since it is larger than the sum of its proper divisors (50500241).
12019162879 is an equidigital number, since it uses as much as digits as its factorization.
12019162879 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45929.
The product of its (nonzero) digits is 108864, while the sum is 46.
The spelling of 12019162879 in words is "twelve billion, nineteen million, one hundred sixty-two thousand, eight hundred seventy-nine".
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