Base | Representation |
---|---|
bin | 110010011010011101… |
… | …110011111010110101 |
3 | 12011201111020111012020 |
4 | 302122131303322311 |
5 | 1341330031114103 |
6 | 40511213343353 |
7 | 3624263605611 |
oct | 623235637265 |
9 | 164644214166 |
10 | 54131113653 |
11 | 20a58669971 |
12 | a5a8497b59 |
13 | 51488a9a86 |
14 | 2897254341 |
15 | 161c3b8753 |
hex | c9a773eb5 |
54131113653 has 4 divisors (see below), whose sum is σ = 72174818208. Its totient is φ = 36087409100.
The previous prime is 54131113649. The next prime is 54131113723. The reversal of 54131113653 is 35631113145.
It is a happy number.
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 54131113653 - 22 = 54131113649 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54131113633) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9021852273 + ... + 9021852278.
It is an arithmetic number, because the mean of its divisors is an integer number (18043704552).
Almost surely, 254131113653 is an apocalyptic number.
It is an amenable number.
54131113653 is a deficient number, since it is larger than the sum of its proper divisors (18043704555).
54131113653 is a wasteful number, since it uses less digits than its factorization.
54131113653 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18043704554.
The product of its digits is 16200, while the sum is 33.
Adding to 54131113653 its reverse (35631113145), we get a palindrome (89762226798).
The spelling of 54131113653 in words is "fifty-four billion, one hundred thirty-one million, one hundred thirteen thousand, six hundred fifty-three".
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