Base | Representation |
---|---|
bin | 110011111010100101… |
… | …101111001010110111 |
3 | 12022212212210122120120 |
4 | 303322211233022313 |
5 | 1403130403212322 |
6 | 41335223103023 |
7 | 4012245342156 |
oct | 637245571267 |
9 | 168785718516 |
10 | 55743804087 |
11 | 21705a19084 |
12 | a9785a1a73 |
13 | 5344a36b7a |
14 | 29ab4cd59d |
15 | 16b3c72a5c |
hex | cfa96f2b7 |
55743804087 has 16 divisors (see below), whose sum is σ = 74609687520. Its totient is φ = 37020300800.
The previous prime is 55743804079. The next prime is 55743804107. The reversal of 55743804087 is 78040834755.
It is a cyclic number.
It is not a de Polignac number, because 55743804087 - 23 = 55743804079 is a prime.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55743804187) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4428739 + ... + 4441307.
It is an arithmetic number, because the mean of its divisors is an integer number (4663105470).
Almost surely, 255743804087 is an apocalyptic number.
55743804087 is a deficient number, since it is larger than the sum of its proper divisors (18865883433).
55743804087 is a wasteful number, since it uses less digits than its factorization.
55743804087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18114.
The product of its (nonzero) digits is 3763200, while the sum is 51.
The spelling of 55743804087 in words is "fifty-five billion, seven hundred forty-three million, eight hundred four thousand, eighty-seven".
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