Base | Representation |
---|---|
bin | 111111110111111… |
… | …0010100001001111 |
3 | 12112100212120111202 |
4 | 1333233302201033 |
5 | 13342131443002 |
6 | 552400540115 |
7 | 104053121666 |
oct | 17757624117 |
9 | 5470776452 |
10 | 2143234127 |
11 | 9aa888581 |
12 | 4b992163b |
13 | 282047798 |
14 | 164901ddd |
15 | c8257502 |
hex | 7fbf284f |
2143234127 has 4 divisors (see below), whose sum is σ = 2144756640. Its totient is φ = 2141711616.
The previous prime is 2143234103. The next prime is 2143234133. The reversal of 2143234127 is 7214323412.
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 2143234127 - 26 = 2143234063 is a prime.
It is a super-3 number, since 3×21432341273 (a number of 29 digits) contains 333 as substring.
It is an alternating number because its digits alternate between even and odd.
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 2143234127.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2143234157) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759143 + ... + 761960.
It is an arithmetic number, because the mean of its divisors is an integer number (536189160).
Almost surely, 22143234127 is an apocalyptic number.
2143234127 is a deficient number, since it is larger than the sum of its proper divisors (1522513).
2143234127 is a wasteful number, since it uses less digits than its factorization.
2143234127 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1522512.
The product of its digits is 8064, while the sum is 29.
The square root of 2143234127 is about 46295.0767036842. The cubic root of 2143234127 is about 1289.3075880699.
Adding to 2143234127 its reverse (7214323412), we get a palindrome (9357557539).
The spelling of 2143234127 in words is "two billion, one hundred forty-three million, two hundred thirty-four thousand, one hundred twenty-seven".
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