Base | Representation |
---|---|
bin | 10110100111101101… |
… | …01001000010000011 |
3 | 1011100100112212112111 |
4 | 23103312221002003 |
5 | 144332412013021 |
6 | 5325021240151 |
7 | 606642300424 |
oct | 132366510203 |
9 | 34310485474 |
10 | 12144251011 |
11 | 5172127592 |
12 | 242b103057 |
13 | 11b6ccca59 |
14 | 832c4b64b |
15 | 4b12668e1 |
hex | 2d3da9083 |
12144251011 has 8 divisors (see below), whose sum is σ = 12260962224. Its totient is φ = 12027599520.
The previous prime is 12144250973. The next prime is 12144251027. The reversal of 12144251011 is 11015244121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12144251011 - 213 = 12144242819 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12144251081) 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, 468121 + ... + 493381.
It is an arithmetic number, because the mean of its divisors is an integer number (1532620278).
Almost surely, 212144251011 is an apocalyptic number.
12144251011 is a deficient number, since it is larger than the sum of its proper divisors (116711213).
12144251011 is a wasteful number, since it uses less digits than its factorization.
12144251011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29861.
The product of its (nonzero) digits is 320, while the sum is 22.
Adding to 12144251011 its reverse (11015244121), we get a palindrome (23159495132).
The spelling of 12144251011 in words is "twelve billion, one hundred forty-four million, two hundred fifty-one thousand, eleven".
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