Base | Representation |
---|---|
bin | 111101001101111… |
… | …1100000011100111 |
3 | 12022011020100010222 |
4 | 1322123330003213 |
5 | 13201330103411 |
6 | 535455234555 |
7 | 101621636456 |
oct | 17233740347 |
9 | 5264210128 |
10 | 2054144231 |
11 | 964568a67 |
12 | 493b18a5b |
13 | 269753b79 |
14 | 156b50b9d |
15 | c050a4db |
hex | 7a6fc0e7 |
2054144231 has 4 divisors (see below), whose sum is σ = 2055487464. Its totient is φ = 2052801000.
The previous prime is 2054144219. The next prime is 2054144233. The reversal of 2054144231 is 1324414502.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2054144231 - 230 = 980402407 is a prime.
It is a super-2 number, since 2×20541442312 = 8439017043501162722, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2054144231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2054144233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669320 + ... + 672381.
It is an arithmetic number, because the mean of its divisors is an integer number (513871866).
Almost surely, 22054144231 is an apocalyptic number.
2054144231 is a deficient number, since it is larger than the sum of its proper divisors (1343233).
2054144231 is a wasteful number, since it uses less digits than its factorization.
2054144231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1343232.
The product of its (nonzero) digits is 3840, while the sum is 26.
The square root of 2054144231 is about 45322.6679598631. The cubic root of 2054144231 is about 1271.1895422584.
Adding to 2054144231 its reverse (1324414502), we get a palindrome (3378558733).
The spelling of 2054144231 in words is "two billion, fifty-four million, one hundred forty-four thousand, two hundred thirty-one".
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