Base | Representation |
---|---|
bin | 110010101100111001… |
… | …000011100100011011 |
3 | 12012112000221000102001 |
4 | 302230321003210123 |
5 | 1342443200324111 |
6 | 41002015221431 |
7 | 3635036311000 |
oct | 625471034433 |
9 | 165460830361 |
10 | 54440245531 |
11 | 210a7110261 |
12 | a673b17877 |
13 | 5197954249 |
14 | 28c63238a7 |
15 | 16395cd1c1 |
hex | cace4391b |
54440245531 has 32 divisors (see below), whose sum is σ = 66463488000. Its totient is φ = 44488715040.
The previous prime is 54440245513. The next prime is 54440245537. The reversal of 54440245531 is 13554204445.
54440245531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 54440245531 - 29 = 54440245019 is a prime.
It is a super-3 number, since 3×544402455313 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (54440245537) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2442385 + ... + 2464573.
It is an arithmetic number, because the mean of its divisors is an integer number (2076984000).
Almost surely, 254440245531 is an apocalyptic number.
54440245531 is a deficient number, since it is larger than the sum of its proper divisors (12023242469).
54440245531 is a wasteful number, since it uses less digits than its factorization.
54440245531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22544 (or 22530 counting only the distinct ones).
The product of its (nonzero) digits is 192000, while the sum is 37.
Adding to 54440245531 its reverse (13554204445), we get a palindrome (67994449976).
The spelling of 54440245531 in words is "fifty-four billion, four hundred forty million, two hundred forty-five thousand, five hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •