Base | Representation |
---|---|
bin | 110010011110101010… |
… | …000000110101000001 |
3 | 12011220101112110220112 |
4 | 302132222000311001 |
5 | 1342001030433441 |
6 | 40522204321105 |
7 | 3626106322631 |
oct | 623652006501 |
9 | 164811473815 |
10 | 54201421121 |
11 | 20a9431aa11 |
12 | a607b43195 |
13 | 515a325523 |
14 | 28a27166c1 |
15 | 16236554eb |
hex | c9ea80d41 |
54201421121 has 8 divisors (see below), whose sum is σ = 57937469184. Its totient is φ = 50580328480.
The previous prime is 54201421111. The next prime is 54201421187. The reversal of 54201421121 is 12112410245.
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 54201421121 - 222 = 54197226817 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54201421111) 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, 28737881 + ... + 28739766.
It is an arithmetic number, because the mean of its divisors is an integer number (7242183648).
Almost surely, 254201421121 is an apocalyptic number.
It is an amenable number.
54201421121 is a deficient number, since it is larger than the sum of its proper divisors (3736048063).
54201421121 is a wasteful number, since it uses less digits than its factorization.
54201421121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57477711.
The product of its (nonzero) digits is 640, while the sum is 23.
Adding to 54201421121 its reverse (12112410245), we get a palindrome (66313831366).
The spelling of 54201421121 in words is "fifty-four billion, two hundred one million, four hundred twenty-one thousand, one hundred twenty-one".
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