Base | Representation |
---|---|
bin | 101011011001001100011… |
… | …111010001000110111011 |
3 | 101120002001001100100200011 |
4 | 223121030133101012323 |
5 | 342324104041142004 |
6 | 10201524010522351 |
7 | 425304335420404 |
oct | 53311437210673 |
9 | 11502031310604 |
10 | 2981990568379 |
11 | a4a722a32199 |
12 | 401b1a7363b7 |
13 | 18827b6796a4 |
14 | a44871329ab |
15 | 5287d626004 |
hex | 2b64c7d11bb |
2981990568379 has 2 divisors, whose sum is σ = 2981990568380. Its totient is φ = 2981990568378.
The previous prime is 2981990568313. The next prime is 2981990568383. The reversal of 2981990568379 is 9738650991892.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2981990568379 - 225 = 2981957013947 is a prime.
It is a super-2 number, since 2×29819905683792 (a number of 26 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2981991568379) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1490995284189 + 1490995284190.
It is an arithmetic number, because the mean of its divisors is an integer number (1490995284190).
Almost surely, 22981990568379 is an apocalyptic number.
2981990568379 is a deficient number, since it is larger than the sum of its proper divisors (1).
2981990568379 is an equidigital number, since it uses as much as digits as its factorization.
2981990568379 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 529079040, while the sum is 76.
The spelling of 2981990568379 in words is "two trillion, nine hundred eighty-one billion, nine hundred ninety million, five hundred sixty-eight thousand, three hundred seventy-nine".
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