Base | Representation |
---|---|
bin | 10110100111011101… |
… | …11000000010010010 |
3 | 1011100012201110002022 |
4 | 23103232320002102 |
5 | 144331401342224 |
6 | 5324505451442 |
7 | 606616061435 |
oct | 132356700222 |
9 | 34305643068 |
10 | 12142215314 |
11 | 5170a67099 |
12 | 242a4a0b82 |
13 | 11b67692b8 |
14 | 83287b81c |
15 | 4b0eb365e |
hex | 2d3bb8092 |
12142215314 has 4 divisors (see below), whose sum is σ = 18213322974. Its totient is φ = 6071107656.
The previous prime is 12142215311. The next prime is 12142215331. The reversal of 12142215314 is 41351224121.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 12140734225 + 1481089 = 110185^2 + 1217^2 .
It is a super-2 number, since 2×121422153142 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12142215311) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3035553827 + ... + 3035553830.
Almost surely, 212142215314 is an apocalyptic number.
12142215314 is a deficient number, since it is larger than the sum of its proper divisors (6071107660).
12142215314 is an equidigital number, since it uses as much as digits as its factorization.
12142215314 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6071107659.
The product of its digits is 1920, while the sum is 26.
Adding to 12142215314 its reverse (41351224121), we get a palindrome (53493439435).
The spelling of 12142215314 in words is "twelve billion, one hundred forty-two million, two hundred fifteen thousand, three hundred fourteen".
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