Base | Representation |
---|---|
bin | 1110111011111101111… |
… | …01110100000100001111 |
3 | 1211001201222010102101112 |
4 | 13131332331310010033 |
5 | 31402044144211422 |
6 | 1031435234402235 |
7 | 52036230400406 |
oct | 7357675640417 |
9 | 1731658112345 |
10 | 513231241487 |
11 | 188729724018 |
12 | 8357413037b |
13 | 395223c4b53 |
14 | 1abaa58463d |
15 | d53c510ee2 |
hex | 777ef7410f |
513231241487 has 2 divisors, whose sum is σ = 513231241488. Its totient is φ = 513231241486.
The previous prime is 513231241463. The next prime is 513231241499. The reversal of 513231241487 is 784142132315.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 513231241487 - 214 = 513231225103 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (513231241387) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256615620743 + 256615620744.
It is an arithmetic number, because the mean of its divisors is an integer number (256615620744).
Almost surely, 2513231241487 is an apocalyptic number.
513231241487 is a deficient number, since it is larger than the sum of its proper divisors (1).
513231241487 is an equidigital number, since it uses as much as digits as its factorization.
513231241487 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 161280, while the sum is 41.
The spelling of 513231241487 in words is "five hundred thirteen billion, two hundred thirty-one million, two hundred forty-one thousand, four hundred eighty-seven".
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