Base | Representation |
---|---|
bin | 100000110100001000110000… |
… | …111101001101111000100101 |
3 | 200220222212221201021211200201 |
4 | 200310020300331031320211 |
5 | 122404020444440343323 |
6 | 1230535500344110501 |
7 | 42253540611046426 |
oct | 4064106075157045 |
9 | 626885851254621 |
10 | 144320312434213 |
11 | 41a9199aa45623 |
12 | 1422a2b0765431 |
13 | 626b468674c76 |
14 | 278d1d734364d |
15 | 11a41810398ad |
hex | 834230f4de25 |
144320312434213 has 6 divisors (see below), whose sum is σ = 153309120821426. Its totient is φ = 135830882290752.
The previous prime is 144320312434201. The next prime is 144320312434231. The reversal of 144320312434213 is 312434213023441.
It can be written as a sum of positive squares in 3 ways, for example, as 76323252197124 + 67997060237089 = 8736318^2 + 8246033^2 .
It is not a de Polignac number, because 144320312434213 - 221 = 144320310337061 is a prime.
It is a super-2 number, since 2×1443203124342132 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144320312464213) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 249689121570 + ... + 249689122147.
Almost surely, 2144320312434213 is an apocalyptic number.
It is an amenable number.
144320312434213 is a deficient number, since it is larger than the sum of its proper divisors (8988808387213).
144320312434213 is an equidigital number, since it uses as much as digits as its factorization.
144320312434213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 499378243751 (or 499378243734 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 37.
Adding to 144320312434213 its reverse (312434213023441), we get a palindrome (456754525457654).
The spelling of 144320312434213 in words is "one hundred forty-four trillion, three hundred twenty billion, three hundred twelve million, four hundred thirty-four thousand, two hundred thirteen".
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