Base | Representation |
---|---|
bin | 10110100111101100… |
… | …11101000110011101 |
3 | 1011100100110101111111 |
4 | 23103312131012131 |
5 | 144332403432031 |
6 | 5325020222021 |
7 | 606642005101 |
oct | 132366350635 |
9 | 34310411444 |
10 | 12144202141 |
11 | 51720a38a5 |
12 | 242b09a911 |
13 | 11b6cb3736 |
14 | 832c37901 |
15 | 4b12571b1 |
hex | 2d3d9d19d |
12144202141 has 8 divisors (see below), whose sum is σ = 12346587000. Its totient is φ = 11941923840.
The previous prime is 12144202121. The next prime is 12144202159. The reversal of 12144202141 is 14120244121.
It can be written as a sum of positive squares in 4 ways, for example, as 32319225 + 12111882916 = 5685^2 + 110054^2 .
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 12144202141 - 219 = 12143677853 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12144202121) 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, 222405 + ... + 271573.
It is an arithmetic number, because the mean of its divisors is an integer number (1543323375).
Almost surely, 212144202141 is an apocalyptic number.
It is an amenable number.
12144202141 is a deficient number, since it is larger than the sum of its proper divisors (202384859).
12144202141 is an equidigital number, since it uses as much as digits as its factorization.
12144202141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53279.
The product of its (nonzero) digits is 512, while the sum is 22.
Adding to 12144202141 its reverse (14120244121), we get a palindrome (26264446262).
The spelling of 12144202141 in words is "twelve billion, one hundred forty-four million, two hundred two thousand, one hundred forty-one".
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