Base | Representation |
---|---|
bin | 10110100010010100… |
… | …00110010001111110 |
3 | 1011020012102220010020 |
4 | 23101022012101332 |
5 | 144234322114102 |
6 | 5320323553010 |
7 | 605552654334 |
oct | 132112062176 |
9 | 34205386106 |
10 | 12099019902 |
11 | 5149643802 |
12 | 2417b2b766 |
13 | 11aa824198 |
14 | 82ac35b54 |
15 | 4ac2cebbc |
hex | 2d128647e |
12099019902 has 8 divisors (see below), whose sum is σ = 24198039816. Its totient is φ = 4033006632.
The previous prime is 12099019883. The next prime is 12099019909. The reversal of 12099019902 is 20991099021.
It is a sphenic number, since it is the product of 3 distinct primes.
12099019902 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12099019909) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008251653 + ... + 1008251664.
It is an arithmetic number, because the mean of its divisors is an integer number (3024754977).
Almost surely, 212099019902 is an apocalyptic number.
12099019902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12099019902 is a wasteful number, since it uses less digits than its factorization.
12099019902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2016503322.
The product of its (nonzero) digits is 26244, while the sum is 42.
The spelling of 12099019902 in words is "twelve billion, ninety-nine million, nineteen thousand, nine hundred two".
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