Base | Representation |
---|---|
bin | 110010100010010111… |
… | …111100111001010001 |
3 | 12012001201220102011121 |
4 | 302202113330321101 |
5 | 1342113012422111 |
6 | 40532313242241 |
7 | 3630464435533 |
oct | 624227747121 |
9 | 165051812147 |
10 | 54263795281 |
11 | 21016552603 |
12 | a624a03381 |
13 | 516a224007 |
14 | 28aab11853 |
15 | 1628d76871 |
hex | ca25fce51 |
54263795281 has 4 divisors (see below), whose sum is σ = 56623090752. Its totient is φ = 51904499812.
The previous prime is 54263795153. The next prime is 54263795291. The reversal of 54263795281 is 18259736245.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 54263795281 - 27 = 54263795153 is a prime.
It is a super-2 number, since 2×542637952812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54263795291) 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 3 ways as a sum of consecutive naturals, for example, 1179647701 + ... + 1179647746.
It is an arithmetic number, because the mean of its divisors is an integer number (14155772688).
Almost surely, 254263795281 is an apocalyptic number.
It is an amenable number.
54263795281 is a deficient number, since it is larger than the sum of its proper divisors (2359295471).
54263795281 is a wasteful number, since it uses less digits than its factorization.
54263795281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2359295470.
The product of its digits is 3628800, while the sum is 52.
The spelling of 54263795281 in words is "fifty-four billion, two hundred sixty-three million, seven hundred ninety-five thousand, two hundred eighty-one".
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