Base | Representation |
---|---|
bin | 1111100000101… |
… | …0010110101001 |
3 | 11112102002110220 |
4 | 3320022112221 |
5 | 113123212441 |
6 | 10242200253 |
7 | 1416644106 |
oct | 370122651 |
9 | 145362426 |
10 | 65054121 |
11 | 337a3140 |
12 | 19953089 |
13 | 10629582 |
14 | 88d5aad |
15 | 5aa0466 |
hex | 3e0a5a9 |
65054121 has 32 divisors (see below), whose sum is σ = 101886336. Its totient is φ = 36480000.
The previous prime is 65054083. The next prime is 65054123. The reversal of 65054121 is 12145056.
65054121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
65054121 is a nontrivial binomial coefficient, being equal to C(11407, 2).
It is not a de Polignac number, because 65054121 - 26 = 65054057 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 65054091 and 65054100.
It is not an unprimeable number, because it can be changed into a prime (65054123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33271 + ... + 35171.
It is an arithmetic number, because the mean of its divisors is an integer number (3183948).
Almost surely, 265054121 is an apocalyptic number.
65054121 is a gapful number since it is divisible by the number (61) formed by its first and last digit.
65054121 is the 11406-th triangular number.
It is an amenable number.
65054121 is a deficient number, since it is larger than the sum of its proper divisors (36832215).
65054121 is a wasteful number, since it uses less digits than its factorization.
65054121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1993.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 65054121 is about 8065.6134918554. The cubic root of 65054121 is about 402.1841375674.
Adding to 65054121 its reverse (12145056), we get a palindrome (77199177).
The spelling of 65054121 in words is "sixty-five million, fifty-four thousand, one hundred twenty-one".
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