Base | Representation |
---|---|
bin | 11000001000110000… |
… | …11001101110100011 |
3 | 1020110002112022101202 |
4 | 30010120121232203 |
5 | 203014323020322 |
6 | 5541503351415 |
7 | 636056434646 |
oct | 140430315643 |
9 | 36402468352 |
10 | 12958407587 |
11 | 554a757464 |
12 | 26178b256b |
13 | 12b689b3c8 |
14 | 8ad01da5d |
15 | 50c988292 |
hex | 304619ba3 |
12958407587 has 2 divisors, whose sum is σ = 12958407588. Its totient is φ = 12958407586.
The previous prime is 12958407559. The next prime is 12958407599. The reversal of 12958407587 is 78570485921.
It is a strong prime.
It is an emirp because it is prime and its reverse (78570485921) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12958407587 - 28 = 12958407331 is a prime.
It is not a weakly prime, because it can be changed into another prime (12958607587) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6479203793 + 6479203794.
It is an arithmetic number, because the mean of its divisors is an integer number (6479203794).
Almost surely, 212958407587 is an apocalyptic number.
12958407587 is a deficient number, since it is larger than the sum of its proper divisors (1).
12958407587 is an equidigital number, since it uses as much as digits as its factorization.
12958407587 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5644800, while the sum is 56.
The spelling of 12958407587 in words is "twelve billion, nine hundred fifty-eight million, four hundred seven thousand, five hundred eighty-seven".
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