Base | Representation |
---|---|
bin | 1000011001100110110… |
… | …0010010100100011111 |
3 | 111210111101022210110100 |
4 | 2012121230102210133 |
5 | 4331022441221330 |
6 | 150143552312143 |
7 | 13266124354611 |
oct | 2063154224437 |
9 | 453441283410 |
10 | 144312445215 |
11 | 56225682054 |
12 | 23b75b42653 |
13 | 107bb14b023 |
14 | 6db0274db1 |
15 | 3b49613060 |
hex | 2199b1291f |
144312445215 has 12 divisors (see below), whose sum is σ = 250141571784. Its totient is φ = 76966637424.
The previous prime is 144312445213. The next prime is 144312445223. The reversal of 144312445215 is 512544213441.
144312445215 is a `hidden beast` number, since 1 + 4 + 4 + 3 + 124 + 4 + 521 + 5 = 666.
It is not a de Polignac number, because 144312445215 - 21 = 144312445213 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 144312445215.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144312445213) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1603471569 + ... + 1603471658.
It is an arithmetic number, because the mean of its divisors is an integer number (20845130982).
Almost surely, 2144312445215 is an apocalyptic number.
144312445215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
144312445215 is a deficient number, since it is larger than the sum of its proper divisors (105829126569).
144312445215 is a wasteful number, since it uses less digits than its factorization.
144312445215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3206943238 (or 3206943235 counting only the distinct ones).
The product of its digits is 76800, while the sum is 36.
Adding to 144312445215 its reverse (512544213441), we get a palindrome (656856658656).
The spelling of 144312445215 in words is "one hundred forty-four billion, three hundred twelve million, four hundred forty-five thousand, two hundred fifteen".
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