Base | Representation |
---|---|
bin | 101111111011101010… |
… | …1010110101110001001 |
3 | 100211200122010202021212 |
4 | 1133313111112232021 |
5 | 3141302024140444 |
6 | 115142004542505 |
7 | 10302540006323 |
oct | 1376725265611 |
9 | 324618122255 |
10 | 102933818249 |
11 | 3a721503189 |
12 | 17b483b1a35 |
13 | 9925591382 |
14 | 4da695a613 |
15 | 2a26aa919e |
hex | 17f7556b89 |
102933818249 has 4 divisors (see below), whose sum is σ = 102945586836. Its totient is φ = 102922049664.
The previous prime is 102933818231. The next prime is 102933818287. The reversal of 102933818249 is 942818339201.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 98467302025 + 4466516224 = 313795^2 + 66832^2 .
It is a cyclic number.
It is not a de Polignac number, because 102933818249 - 220 = 102932769673 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102933818197 and 102933818206.
It is not an unprimeable number, because it can be changed into a prime (102933818209) 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 3 ways as a sum of consecutive naturals, for example, 5871164 + ... + 5888669.
It is an arithmetic number, because the mean of its divisors is an integer number (25736396709).
Almost surely, 2102933818249 is an apocalyptic number.
It is an amenable number.
102933818249 is a deficient number, since it is larger than the sum of its proper divisors (11768587).
102933818249 is an equidigital number, since it uses as much as digits as its factorization.
102933818249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11768586.
The product of its (nonzero) digits is 746496, while the sum is 50.
The spelling of 102933818249 in words is "one hundred two billion, nine hundred thirty-three million, eight hundred eighteen thousand, two hundred forty-nine".
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