Base | Representation |
---|---|
bin | 111111111001111… |
… | …1110101000010111 |
3 | 12112102221100221020 |
4 | 1333303332220113 |
5 | 13342422113221 |
6 | 552440252223 |
7 | 104065344462 |
oct | 17763765027 |
9 | 5472840836 |
10 | 2144332311 |
11 | a00468670 |
12 | 4ba171073 |
13 | 2823405b4 |
14 | 164b0a2d9 |
15 | c83c2ac6 |
hex | 7fcfea17 |
2144332311 has 8 divisors (see below), whose sum is σ = 3119028864. Its totient is φ = 1299595320.
The previous prime is 2144332291. The next prime is 2144332331. The reversal of 2144332311 is 1132334412.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2144332291) and next prime (2144332331).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2144332311 - 29 = 2144331799 is a prime.
It is a super-2 number, since 2×21443323112 = 9196322119997201442, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2144332331) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32489851 + ... + 32489916.
It is an arithmetic number, because the mean of its divisors is an integer number (389878608).
Almost surely, 22144332311 is an apocalyptic number.
2144332311 is a deficient number, since it is larger than the sum of its proper divisors (974696553).
2144332311 is a wasteful number, since it uses less digits than its factorization.
2144332311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64979781.
The product of its digits is 1728, while the sum is 24.
The square root of 2144332311 is about 46306.9358843791. The cubic root of 2144332311 is about 1289.5277623666.
Adding to 2144332311 its reverse (1132334412), we get a palindrome (3276666723).
The spelling of 2144332311 in words is "two billion, one hundred forty-four million, three hundred thirty-two thousand, three hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •