Base | Representation |
---|---|
bin | 101011011000011101000… |
… | …000100010011111111111 |
3 | 101112222222112102200022222 |
4 | 223120131000202133333 |
5 | 342320441124441444 |
6 | 10201312553155555 |
7 | 425245523521100 |
oct | 53303500423777 |
9 | 11488875380288 |
10 | 2981193983999 |
11 | a4a3543145a0 |
12 | 4019379bbbbb |
13 | 18818262139a |
14 | a440d4163a7 |
15 | 52833725eee |
hex | 2b61d0227ff |
2981193983999 has 48 divisors (see below), whose sum is σ = 3843666097920. Its totient is φ = 2285943327360.
The previous prime is 2981193983959. The next prime is 2981193984077. The reversal of 2981193983999 is 9993893911892.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-2981193983999 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2981193983959) 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 in 47 ways as a sum of consecutive naturals, for example, 34878587 + ... + 34963955.
It is an arithmetic number, because the mean of its divisors is an integer number (80076377040).
Almost surely, 22981193983999 is an apocalyptic number.
2981193983999 is a deficient number, since it is larger than the sum of its proper divisors (862472113921).
2981193983999 is a wasteful number, since it uses less digits than its factorization.
2981193983999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86428 (or 86421 counting only the distinct ones).
The product of its digits is 612220032, while the sum is 80.
The spelling of 2981193983999 in words is "two trillion, nine hundred eighty-one billion, one hundred ninety-three million, nine hundred eighty-three thousand, nine hundred ninety-nine".
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