Base | Representation |
---|---|
bin | 1000000001100101… |
… | …0111001111101111 |
3 | 12120010101021012211 |
4 | 2000121113033233 |
5 | 13402424214323 |
6 | 553430311251 |
7 | 104244552400 |
oct | 20031271757 |
9 | 5503337184 |
10 | 2154132463 |
11 | a05a5166a |
12 | 5014b8527 |
13 | 2843921c2 |
14 | 16613b9a7 |
15 | c91ab70d |
hex | 806573ef |
2154132463 has 12 divisors (see below), whose sum is σ = 2506840392. Its totient is φ = 1845653040.
The previous prime is 2154132427. The next prime is 2154132479. The reversal of 2154132463 is 3642314512.
It is not a de Polignac number, because 2154132463 - 217 = 2154001391 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2154132493) 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 11 ways as a sum of consecutive naturals, for example, 138181 + ... + 152977.
It is an arithmetic number, because the mean of its divisors is an integer number (208903366).
Almost surely, 22154132463 is an apocalyptic number.
2154132463 is a deficient number, since it is larger than the sum of its proper divisors (352707929).
2154132463 is a wasteful number, since it uses less digits than its factorization.
2154132463 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17782 (or 17775 counting only the distinct ones).
The product of its digits is 17280, while the sum is 31.
The square root of 2154132463 is about 46412.6325799345. The cubic root of 2154132463 is about 1291.4892687421.
Adding to 2154132463 its reverse (3642314512), we get a palindrome (5796446975).
The spelling of 2154132463 in words is "two billion, one hundred fifty-four million, one hundred thirty-two thousand, four hundred sixty-three".
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