Base | Representation |
---|---|
bin | 1101000000011011… |
… | …10101001001000101 |
3 | 200000122122111000101 |
4 | 12200031311021011 |
5 | 103300113304042 |
6 | 3112524444101 |
7 | 335021034136 |
oct | 64015651105 |
9 | 20018574011 |
10 | 6982947397 |
11 | 2a63767808 |
12 | 142a6a9631 |
13 | 87391524a |
14 | 4a359bc8d |
15 | 2ad09b6b7 |
hex | 1a0375245 |
6982947397 has 2 divisors, whose sum is σ = 6982947398. Its totient is φ = 6982947396.
The previous prime is 6982947383. The next prime is 6982947457. The reversal of 6982947397 is 7937492896.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3997527076 + 2985420321 = 63226^2 + 54639^2 .
It is a cyclic number.
It is not a de Polignac number, because 6982947397 - 215 = 6982914629 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6982947197) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3491473698 + 3491473699.
It is an arithmetic number, because the mean of its divisors is an integer number (3491473699).
Almost surely, 26982947397 is an apocalyptic number.
It is an amenable number.
6982947397 is a deficient number, since it is larger than the sum of its proper divisors (1).
6982947397 is an equidigital number, since it uses as much as digits as its factorization.
6982947397 is an evil number, because the sum of its binary digits is even.
The product of its digits is 41150592, while the sum is 64.
The square root of 6982947397 is about 83564.0317181980. The cubic root of 6982947397 is about 1911.3765646447.
The spelling of 6982947397 in words is "six billion, nine hundred eighty-two million, nine hundred forty-seven thousand, three hundred ninety-seven".
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