Base | Representation |
---|---|
bin | 10011000110000001111… |
… | …100011010110000111111 |
3 | 11122102212122112200211221 |
4 | 103012001330122300333 |
5 | 132444233122440130 |
6 | 2442442515454211 |
7 | 163541115350356 |
oct | 23060174326077 |
9 | 4572778480757 |
10 | 1312145124415 |
11 | 4665287959a4 |
12 | 1923768b7367 |
13 | 969723418a8 |
14 | 4771858299d |
15 | 241ea2b087a |
hex | 13181f1ac3f |
1312145124415 has 16 divisors (see below), whose sum is σ = 1578397601088. Its totient is φ = 1047167709696.
The previous prime is 1312145124413. The next prime is 1312145124421. The reversal of 1312145124415 is 5144215412131.
It is a cyclic number.
It is not a de Polignac number, because 1312145124415 - 21 = 1312145124413 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 (1312145124413) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21114529 + ... + 21176581.
It is an arithmetic number, because the mean of its divisors is an integer number (98649850068).
Almost surely, 21312145124415 is an apocalyptic number.
1312145124415 is a deficient number, since it is larger than the sum of its proper divisors (266252476673).
1312145124415 is an equidigital number, since it uses as much as digits as its factorization.
1312145124415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72258.
The product of its digits is 19200, while the sum is 34.
The spelling of 1312145124415 in words is "one trillion, three hundred twelve billion, one hundred forty-five million, one hundred twenty-four thousand, four hundred fifteen".
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