Base | Representation |
---|---|
bin | 11001000011000100… |
… | …01001000011110011 |
3 | 1021201011211210002021 |
4 | 30201202021003303 |
5 | 210020030000034 |
6 | 10102214332311 |
7 | 654145602262 |
oct | 144142110363 |
9 | 37634753067 |
10 | 13447500019 |
11 | 5780843888 |
12 | 273365a097 |
13 | 1364004805 |
14 | 917d765d9 |
15 | 53a8996b4 |
hex | 3218890f3 |
13447500019 has 2 divisors, whose sum is σ = 13447500020. Its totient is φ = 13447500018.
The previous prime is 13447499939. The next prime is 13447500041. The reversal of 13447500019 is 91000574431.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13447500019 - 217 = 13447368947 is a prime.
It is a super-2 number, since 2×134475000192 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (13447500049) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6723750009 + 6723750010.
It is an arithmetic number, because the mean of its divisors is an integer number (6723750010).
Almost surely, 213447500019 is an apocalyptic number.
13447500019 is a deficient number, since it is larger than the sum of its proper divisors (1).
13447500019 is an equidigital number, since it uses as much as digits as its factorization.
13447500019 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15120, while the sum is 34.
The spelling of 13447500019 in words is "thirteen billion, four hundred forty-seven million, five hundred thousand, nineteen".
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