Base | Representation |
---|---|
bin | 11000101010000010101101… |
… | …01110100111100000100011 |
3 | 21002222111012020021212200101 |
4 | 30111001112232213200203 |
5 | 24101324324241040411 |
6 | 311152501211403231 |
7 | 14264226645235045 |
oct | 1425012656474043 |
9 | 232874166255611 |
10 | 54221122205731 |
11 | 16305059a41728 |
12 | 60b8500153517 |
13 | 243405086c560 |
14 | d5645dd8da95 |
15 | 6406385ca8c1 |
hex | 315056ba7823 |
54221122205731 has 8 divisors (see below), whose sum is σ = 58392055681344. Its totient is φ = 50050199861760.
The previous prime is 54221122205707. The next prime is 54221122205891. The reversal of 54221122205731 is 13750222112245.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54221122205731 - 235 = 54186762467363 is a prime.
It is a super-2 number, since 2×542211222057312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54221122205431) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9265590 + ... + 13938916.
It is an arithmetic number, because the mean of its divisors is an integer number (7299006960168).
Almost surely, 254221122205731 is an apocalyptic number.
54221122205731 is a deficient number, since it is larger than the sum of its proper divisors (4170933475613).
54221122205731 is a wasteful number, since it uses less digits than its factorization.
54221122205731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5565821.
The product of its (nonzero) digits is 67200, while the sum is 37.
Adding to 54221122205731 its reverse (13750222112245), we get a palindrome (67971344317976).
The spelling of 54221122205731 in words is "fifty-four trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred five thousand, seven hundred thirty-one".
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