Base | Representation |
---|---|
bin | 111111110111101… |
… | …0010110010011010 |
3 | 12112100121222012221 |
4 | 1333233102302122 |
5 | 13342113313104 |
6 | 552354054254 |
7 | 104052041032 |
oct | 17757226232 |
9 | 5470558187 |
10 | 2143104154 |
11 | 9aa7a9964 |
12 | 4b987a38a |
13 | 282000589 |
14 | 1648aa8c2 |
15 | c822dc54 |
hex | 7fbd2c9a |
2143104154 has 8 divisors (see below), whose sum is σ = 3244148820. Its totient is φ = 1061721216.
The previous prime is 2143104127. The next prime is 2143104169. The reversal of 2143104154 is 4514013412.
It can be written as a sum of positive squares in 2 ways, for example, as 2036085129 + 107019025 = 45123^2 + 10345^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4915159 + ... + 4915594.
Almost surely, 22143104154 is an apocalyptic number.
2143104154 is a deficient number, since it is larger than the sum of its proper divisors (1101044666).
2143104154 is a wasteful number, since it uses less digits than its factorization.
2143104154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9830864.
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 2143104154 is about 46293.6729370224. The cubic root of 2143104154 is about 1289.2815248787.
Adding to 2143104154 its reverse (4514013412), we get a palindrome (6657117566).
The spelling of 2143104154 in words is "two billion, one hundred forty-three million, one hundred four thousand, one hundred fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •