Base | Representation |
---|---|
bin | 10011100010011010011… |
… | …011010000000110111111 |
3 | 11202100112112120212022002 |
4 | 103202122123100012333 |
5 | 133444141340201422 |
6 | 2504442535412515 |
7 | 166000251032252 |
oct | 23423233200677 |
9 | 4670475525262 |
10 | 1342620631487 |
11 | 478447387483 |
12 | 198260b2413b |
13 | 997bb094605 |
14 | 48da9c09099 |
15 | 24dd0a15692 |
hex | 1389a6d01bf |
1342620631487 has 2 divisors, whose sum is σ = 1342620631488. Its totient is φ = 1342620631486.
The previous prime is 1342620631477. The next prime is 1342620631489. The reversal of 1342620631487 is 7841360262431.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1342620631487 is a prime.
Together with 1342620631489, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1342620631489) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671310315743 + 671310315744.
It is an arithmetic number, because the mean of its divisors is an integer number (671310315744).
Almost surely, 21342620631487 is an apocalyptic number.
1342620631487 is a deficient number, since it is larger than the sum of its proper divisors (1).
1342620631487 is an equidigital number, since it uses as much as digits as its factorization.
1342620631487 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1161216, while the sum is 47.
The spelling of 1342620631487 in words is "one trillion, three hundred forty-two billion, six hundred twenty million, six hundred thirty-one thousand, four hundred eighty-seven".
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