Base | Representation |
---|---|
bin | 1101111101000011011011… |
… | …0001111110100001010001 |
3 | 2000022201210011000201202211 |
4 | 3133100312301332201101 |
5 | 4002333011304031423 |
6 | 52344133330512121 |
7 | 3142314333246466 |
oct | 337206661764121 |
9 | 60281704021684 |
10 | 15342542252113 |
11 | 498581013851a |
12 | 18795a2435641 |
13 | 873a45a04a1b |
14 | 3b0823ab366d |
15 | 1b9164ad010d |
hex | df436c7e851 |
15342542252113 has 2 divisors, whose sum is σ = 15342542252114. Its totient is φ = 15342542252112.
The previous prime is 15342542252101. The next prime is 15342542252131. The reversal of 15342542252113 is 31125224524351.
Together with next prime (15342542252131) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 14762062832449 + 580479419664 = 3842143^2 + 761892^2 .
It is an emirp because it is prime and its reverse (31125224524351) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 15342542252113 - 241 = 13143518996561 is a prime.
It is not a weakly prime, because it can be changed into another prime (15342542252813) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7671271126056 + 7671271126057.
It is an arithmetic number, because the mean of its divisors is an integer number (7671271126057).
Almost surely, 215342542252113 is an apocalyptic number.
It is an amenable number.
15342542252113 is a deficient number, since it is larger than the sum of its proper divisors (1).
15342542252113 is an equidigital number, since it uses as much as digits as its factorization.
15342542252113 is an evil number, because the sum of its binary digits is even.
The product of its digits is 288000, while the sum is 40.
Adding to 15342542252113 its reverse (31125224524351), we get a palindrome (46467766776464).
The spelling of 15342542252113 in words is "fifteen trillion, three hundred forty-two billion, five hundred forty-two million, two hundred fifty-two thousand, one hundred thirteen".
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