Base | Representation |
---|---|
bin | 11011100010011000… |
… | …00110110001101101 |
3 | 1102011022111222021210 |
4 | 31301030012301231 |
5 | 220234134311111 |
6 | 10442554145033 |
7 | 1032234040356 |
oct | 156114066155 |
9 | 42138458253 |
10 | 14783900781 |
11 | 62a7143521 |
12 | 2a47122179 |
13 | 1517b45cb0 |
14 | a03650d2d |
15 | 5b7d7a0a6 |
hex | 371306c6d |
14783900781 has 8 divisors (see below), whose sum is σ = 21228165280. Its totient is φ = 9097785072.
The previous prime is 14783900777. The next prime is 14783900863. The reversal of 14783900781 is 18700938741.
14783900781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 14783900781 - 22 = 14783900777 is a prime.
It is a super-2 number, since 2×147839007812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 14783900781.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14783900711) 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 7 ways as a sum of consecutive naturals, for example, 189537151 + ... + 189537228.
It is an arithmetic number, because the mean of its divisors is an integer number (2653520660).
Almost surely, 214783900781 is an apocalyptic number.
It is an amenable number.
14783900781 is a deficient number, since it is larger than the sum of its proper divisors (6444264499).
14783900781 is a wasteful number, since it uses less digits than its factorization.
14783900781 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 379074395.
The product of its (nonzero) digits is 338688, while the sum is 48.
The spelling of 14783900781 in words is "fourteen billion, seven hundred eighty-three million, nine hundred thousand, seven hundred eighty-one".
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