Base | Representation |
---|---|
bin | 10110101100110010… |
… | …10110010101010100 |
3 | 1011110022210212021211 |
4 | 23112121112111110 |
5 | 144424321411032 |
6 | 5333143351204 |
7 | 611000655022 |
oct | 132631262524 |
9 | 34408725254 |
10 | 12186903892 |
11 | 519420a2a9 |
12 | 2441452504 |
13 | 11c2ab4c47 |
14 | 838791712 |
15 | 4b4d8e747 |
hex | 2d6656554 |
12186903892 has 12 divisors (see below), whose sum is σ = 22015052416. Its totient is φ = 5896888920.
The previous prime is 12186903889. The next prime is 12186903893. The reversal of 12186903892 is 29830968121.
12186903892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12186903893) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49140618 + ... + 49140865.
Almost surely, 212186903892 is an apocalyptic number.
It is an amenable number.
12186903892 is a deficient number, since it is larger than the sum of its proper divisors (9828148524).
12186903892 is a wasteful number, since it uses less digits than its factorization.
12186903892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98281518 (or 98281516 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 49.
The spelling of 12186903892 in words is "twelve billion, one hundred eighty-six million, nine hundred three thousand, eight hundred ninety-two".
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