Base | Representation |
---|---|
bin | 1000000001100100… |
… | …0111010011000111 |
3 | 12120010020221121120 |
4 | 2000121013103013 |
5 | 13402420122033 |
6 | 553425045023 |
7 | 104244161064 |
oct | 20031072307 |
9 | 5503227546 |
10 | 2154067143 |
11 | a05a07588 |
12 | 501486773 |
13 | 28436b557 |
14 | 166121c6b |
15 | c91971b3 |
hex | 806474c7 |
2154067143 has 8 divisors (see below), whose sum is σ = 2942140656. Its totient is φ = 1401019200.
The previous prime is 2154067141. The next prime is 2154067151. The reversal of 2154067143 is 3417604512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2154067143 - 21 = 2154067141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2154067141) 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 7 ways as a sum of consecutive naturals, for example, 8756248 + ... + 8756493.
It is an arithmetic number, because the mean of its divisors is an integer number (367767582).
Almost surely, 22154067143 is an apocalyptic number.
2154067143 is a deficient number, since it is larger than the sum of its proper divisors (788073513).
2154067143 is a wasteful number, since it uses less digits than its factorization.
2154067143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17512785.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 2154067143 is about 46411.9288868713. The cubic root of 2154067143 is about 1291.4762146189.
The spelling of 2154067143 in words is "two billion, one hundred fifty-four million, sixty-seven thousand, one hundred forty-three".
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