Base | Representation |
---|---|
bin | 10111101101100101010101… |
… | …00101010001111001010000 |
3 | 20211121220011121222100101212 |
4 | 23312302222211101321100 |
5 | 23313310412301412114 |
6 | 302522303114315252 |
7 | 13661156050243034 |
oct | 1366625245217120 |
9 | 224556147870355 |
10 | 52143764872784 |
11 | 15684056981722 |
12 | 5a21989428b28 |
13 | 231319c834ac0 |
14 | cc3ab37121c4 |
15 | 6065a413bb3e |
hex | 2f6caa951e50 |
52143764872784 has 20 divisors (see below), whose sum is σ = 108799970936916. Its totient is φ = 24066353018112.
The previous prime is 52143764872777. The next prime is 52143764872789. The reversal of 52143764872784 is 48727846734125.
52143764872784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 23635426810384 + 28508338062400 = 4861628^2 + 5339320^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52143764872789) 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 3 ways as a sum of consecutive naturals, for example, 125345588429 + ... + 125345588844.
Almost surely, 252143764872784 is an apocalyptic number.
It is an amenable number.
52143764872784 is an abundant number, since it is smaller than the sum of its proper divisors (56656206064132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52143764872784 is a wasteful number, since it uses less digits than its factorization.
52143764872784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250691177294 (or 250691177288 counting only the distinct ones).
The product of its digits is 505774080, while the sum is 68.
The spelling of 52143764872784 in words is "fifty-two trillion, one hundred forty-three billion, seven hundred sixty-four million, eight hundred seventy-two thousand, seven hundred eighty-four".
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