Base | Representation |
---|---|
bin | 10110010111001110… |
… | …00010101110000111 |
3 | 1010222201022011020222 |
4 | 23023213002232013 |
5 | 144042010203244 |
6 | 5303201014555 |
7 | 603342561524 |
oct | 131347025607 |
9 | 33881264228 |
10 | 12005944199 |
11 | 5101051637 |
12 | 23b092445b |
13 | 11944662c2 |
14 | 81c72814b |
15 | 4a4046bee |
hex | 2cb9c2b87 |
12005944199 has 8 divisors (see below), whose sum is σ = 12278162688. Its totient is φ = 11736461880.
The previous prime is 12005944169. The next prime is 12005944211. The reversal of 12005944199 is 99144950021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12005944199 is a prime.
It is a super-2 number, since 2×120059441992 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12005944169) 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, 675167 + ... + 692720.
It is an arithmetic number, because the mean of its divisors is an integer number (1534770336).
Almost surely, 212005944199 is an apocalyptic number.
12005944199 is a deficient number, since it is larger than the sum of its proper divisors (272218489).
12005944199 is a wasteful number, since it uses less digits than its factorization.
12005944199 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1368085.
The product of its (nonzero) digits is 116640, while the sum is 44.
The spelling of 12005944199 in words is "twelve billion, five million, nine hundred forty-four thousand, one hundred ninety-nine".
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