Base | Representation |
---|---|
bin | 11001011111110010… |
… | …00010011100001111 |
3 | 1022022222002220202022 |
4 | 30233321002130033 |
5 | 211013211230442 |
6 | 10142141320355 |
7 | 663132223610 |
oct | 145771023417 |
9 | 38288086668 |
10 | 13688383247 |
11 | 589480aa30 |
12 | 27a02660bb |
13 | 13a1ba4676 |
14 | 93bd5bc07 |
15 | 551acc3d2 |
hex | 32fe4270f |
13688383247 has 32 divisors (see below), whose sum is σ = 17261337600. Its totient is φ = 10544544000.
The previous prime is 13688383217. The next prime is 13688383253. The reversal of 13688383247 is 74238388631.
It is a cyclic number.
It is not a de Polignac number, because 13688383247 - 26 = 13688383183 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13688383217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8779454 + ... + 8781012.
It is an arithmetic number, because the mean of its divisors is an integer number (539416800).
Almost surely, 213688383247 is an apocalyptic number.
13688383247 is a deficient number, since it is larger than the sum of its proper divisors (3572954353).
13688383247 is a wasteful number, since it uses less digits than its factorization.
13688383247 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2807.
The product of its digits is 4644864, while the sum is 53.
The spelling of 13688383247 in words is "thirteen billion, six hundred eighty-eight million, three hundred eighty-three thousand, two hundred forty-seven".
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