Base | Representation |
---|---|
bin | 10110110110101011… |
… | …10101101100011110 |
3 | 1011200002220222012020 |
4 | 23123111311230132 |
5 | 200112041313404 |
6 | 5345305521010 |
7 | 613026113214 |
oct | 133325655436 |
9 | 34602828166 |
10 | 12269869854 |
11 | 5227026910 |
12 | 24651a3166 |
13 | 1207043328 |
14 | 8457cacb4 |
15 | 4bc2cbed9 |
hex | 2db575b1e |
12269869854 has 32 divisors (see below), whose sum is σ = 26803115136. Its totient is φ = 3713629920.
The previous prime is 12269869853. The next prime is 12269869883. The reversal of 12269869854 is 45896896221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12269869853) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57817 + ... + 166980.
It is an arithmetic number, because the mean of its divisors is an integer number (837597348).
Almost surely, 212269869854 is an apocalyptic number.
12269869854 is an abundant number, since it is smaller than the sum of its proper divisors (14533245282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12269869854 is a wasteful number, since it uses less digits than its factorization.
12269869854 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225640.
The product of its digits is 14929920, while the sum is 60.
The spelling of 12269869854 in words is "twelve billion, two hundred sixty-nine million, eight hundred sixty-nine thousand, eight hundred fifty-four".
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