Base | Representation |
---|---|
bin | 11000010000111100011011… |
… | …01011110111100001100001 |
3 | 20222221001021102202201210102 |
4 | 30020132031223313201201 |
5 | 23443212212441232111 |
6 | 305252401330512145 |
7 | 14145020465621453 |
oct | 1410361553674141 |
9 | 228831242681712 |
10 | 53358755805281 |
11 | 16002359657223 |
12 | 5b9934b435655 |
13 | 23a092ab12564 |
14 | d26812b802d3 |
15 | 627eb4e4a13b |
hex | 30878daf7861 |
53358755805281 has 16 divisors (see below), whose sum is σ = 56551422216000. Its totient is φ = 50204608688448.
The previous prime is 53358755805227. The next prime is 53358755805287. The reversal of 53358755805281 is 18250855785335.
53358755805281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-53358755805281 is a prime.
It is a super-2 number, since 2×533587558052812 (a number of 28 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53358755805287) 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, 20625626 + ... + 23068028.
It is an arithmetic number, because the mean of its divisors is an integer number (3534463888500).
Almost surely, 253358755805281 is an apocalyptic number.
It is an amenable number.
53358755805281 is a deficient number, since it is larger than the sum of its proper divisors (3192666410719).
53358755805281 is a wasteful number, since it uses less digits than its factorization.
53358755805281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2450288.
The product of its (nonzero) digits is 201600000, while the sum is 65.
The spelling of 53358755805281 in words is "fifty-three trillion, three hundred fifty-eight billion, seven hundred fifty-five million, eight hundred five thousand, two hundred eighty-one".
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