Base | Representation |
---|---|
bin | 10110011111100011… |
… | …11101101001101101 |
3 | 1011011120222002100220 |
4 | 23033301331221231 |
5 | 144212413302020 |
6 | 5314140441553 |
7 | 605152406565 |
oct | 131761755155 |
9 | 34146862326 |
10 | 12075915885 |
11 | 51375a3380 |
12 | 24102492b9 |
13 | 11a5ac4c77 |
14 | 827b3dda5 |
15 | 4aa269240 |
hex | 2cfc7da6d |
12075915885 has 32 divisors (see below), whose sum is σ = 21647647872. Its totient is φ = 5696743680.
The previous prime is 12075915877. The next prime is 12075915911. The reversal of 12075915885 is 58851957021.
It is not a de Polignac number, because 12075915885 - 23 = 12075915877 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 982914 + ... + 995123.
It is an arithmetic number, because the mean of its divisors is an integer number (676488996).
Almost surely, 212075915885 is an apocalyptic number.
12075915885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12075915885 is a deficient number, since it is larger than the sum of its proper divisors (9571731987).
12075915885 is a wasteful number, since it uses less digits than its factorization.
12075915885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1978093.
The product of its (nonzero) digits is 1008000, while the sum is 51.
The spelling of 12075915885 in words is "twelve billion, seventy-five million, nine hundred fifteen thousand, eight hundred eighty-five".
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