Base | Representation |
---|---|
bin | 10111010000101100011100… |
… | …110110010101111101101001 |
3 | 111102020000010212211011002100 |
4 | 113100230130312111331221 |
5 | 101402110112331444314 |
6 | 1001325011000524013 |
7 | 30356045416413561 |
oct | 2720543466257551 |
9 | 442200125734070 |
10 | 102302310031209 |
11 | 2a662190aa6962 |
12 | b582a58780609 |
13 | 45110b2c83b92 |
14 | 1b3965b523da1 |
15 | bc61b7b5ec09 |
hex | 5d0b1cd95f69 |
102302310031209 has 12 divisors (see below), whose sum is σ = 147770093379636. Its totient is φ = 68201498481792.
The previous prime is 102302310031111. The next prime is 102302310031211. The reversal of 102302310031209 is 902130013203201.
102302310031209 is a `hidden beast` number, since 1 + 0 + 2 + 30 + 2 + 310 + 0 + 312 + 0 + 9 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 49905747360000 + 52396562671209 = 7064400^2 + 7238547^2 .
It is not a de Polignac number, because 102302310031209 - 219 = 102302309506921 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102302310031219) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21969469 + ... + 26215685.
It is an arithmetic number, because the mean of its divisors is an integer number (12314174448303).
Almost surely, 2102302310031209 is an apocalyptic number.
It is an amenable number.
102302310031209 is a deficient number, since it is larger than the sum of its proper divisors (45467783348427).
102302310031209 is a wasteful number, since it uses less digits than its factorization.
102302310031209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6923176 (or 6923173 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
The spelling of 102302310031209 in words is "one hundred two trillion, three hundred two billion, three hundred ten million, thirty-one thousand, two hundred nine".
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