Base | Representation |
---|---|
bin | 110010101100010111… |
… | …000101101100001001 |
3 | 12012111102011122010111 |
4 | 302230113011230021 |
5 | 1342433410410241 |
6 | 41001100314321 |
7 | 3634600524130 |
oct | 625427055411 |
9 | 165442148114 |
10 | 54431341321 |
11 | 210a2089405 |
12 | a670b429a1 |
13 | 5195b57396 |
14 | 28c5086917 |
15 | 163891ec81 |
hex | cac5c5b09 |
54431341321 has 32 divisors (see below), whose sum is σ = 65610724608. Its totient is φ = 44178462720.
The previous prime is 54431341277. The next prime is 54431341343. The reversal of 54431341321 is 12314313445.
It is a de Polignac number, because none of the positive numbers 2k-54431341321 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54431341361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3120801 + ... + 3138193.
It is an arithmetic number, because the mean of its divisors is an integer number (2050335144).
Almost surely, 254431341321 is an apocalyptic number.
It is an amenable number.
54431341321 is a deficient number, since it is larger than the sum of its proper divisors (11179383287).
54431341321 is a wasteful number, since it uses less digits than its factorization.
54431341321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17761.
The product of its digits is 17280, while the sum is 31.
Adding to 54431341321 its reverse (12314313445), we get a palindrome (66745654766).
The spelling of 54431341321 in words is "fifty-four billion, four hundred thirty-one million, three hundred forty-one thousand, three hundred twenty-one".
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