Base | Representation |
---|---|
bin | 11011111010111110… |
… | …111110100100110101 |
3 | 2212101101211010220201 |
4 | 123322332332210311 |
5 | 442400014221023 |
6 | 21434540400501 |
7 | 2110643016454 |
oct | 337276764465 |
9 | 85341733821 |
10 | 29980617013 |
11 | 11795305336 |
12 | 5988546131 |
13 | 2a9a369789 |
14 | 1645a40b9b |
15 | ba709abad |
hex | 6fafbe935 |
29980617013 has 2 divisors, whose sum is σ = 29980617014. Its totient is φ = 29980617012.
The previous prime is 29980617011. The next prime is 29980617059. The reversal of 29980617013 is 31071608992.
It is a happy number.
It is an a-pointer prime, because the next prime (29980617059) can be obtained adding 29980617013 to its sum of digits (46).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 19588241764 + 10392375249 = 139958^2 + 101943^2 .
It is a cyclic number.
It is not a de Polignac number, because 29980617013 - 21 = 29980617011 is a prime.
Together with 29980617011, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (29980617011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14990308506 + 14990308507.
It is an arithmetic number, because the mean of its divisors is an integer number (14990308507).
Almost surely, 229980617013 is an apocalyptic number.
It is an amenable number.
29980617013 is a deficient number, since it is larger than the sum of its proper divisors (1).
29980617013 is an equidigital number, since it uses as much as digits as its factorization.
29980617013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 163296, while the sum is 46.
The spelling of 29980617013 in words is "twenty-nine billion, nine hundred eighty million, six hundred seventeen thousand, thirteen".
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