Base | Representation |
---|---|
bin | 1110001001101101110000… |
… | …10011111111111110111111 |
3 | 11002012001111101111020021211 |
4 | 13010312320103333332333 |
5 | 13034333011324410304 |
6 | 150104220203105251 |
7 | 6361232561052346 |
oct | 704667023777677 |
9 | 132161441436254 |
10 | 31120130310079 |
11 | 9a08a78294a48 |
12 | 35a7358812227 |
13 | 14498008b8ab5 |
14 | 79831817ab5d |
15 | 38e78cb86204 |
hex | 1c4db84fffbf |
31120130310079 has 2 divisors, whose sum is σ = 31120130310080. Its totient is φ = 31120130310078.
The previous prime is 31120130310041. The next prime is 31120130310121. The reversal of 31120130310079 is 97001303102113.
It is a weak prime.
It is an emirp because it is prime and its reverse (97001303102113) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31120130310079 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31120130310079.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31120130310029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15560065155039 + 15560065155040.
It is an arithmetic number, because the mean of its divisors is an integer number (15560065155040).
Almost surely, 231120130310079 is an apocalyptic number.
31120130310079 is a deficient number, since it is larger than the sum of its proper divisors (1).
31120130310079 is an equidigital number, since it uses as much as digits as its factorization.
31120130310079 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3402, while the sum is 31.
The spelling of 31120130310079 in words is "thirty-one trillion, one hundred twenty billion, one hundred thirty million, three hundred ten thousand, seventy-nine".
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