Base | Representation |
---|---|
bin | 101010101010001… |
… | …1010100011101011 |
3 | 10200202110102021002 |
4 | 1111110122203223 |
5 | 10412420240034 |
6 | 354012105215 |
7 | 50320553426 |
oct | 12524324353 |
9 | 3622412232 |
10 | 1431415019 |
11 | 674aa6321 |
12 | 33b46520b |
13 | 19a72a848 |
14 | d816c9bd |
15 | 859ece7e |
hex | 5551a8eb |
1431415019 has 2 divisors, whose sum is σ = 1431415020. Its totient is φ = 1431415018.
The previous prime is 1431414997. The next prime is 1431415039. The reversal of 1431415019 is 9105141341.
It is a strong prime.
It is an emirp because it is prime and its reverse (9105141341) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1431415019 is a prime.
It is a super-2 number, since 2×14314150192 = 4097897913237540722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1431414982 and 1431415000.
It is not a weakly prime, because it can be changed into another prime (1431415039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715707509 + 715707510.
It is an arithmetic number, because the mean of its divisors is an integer number (715707510).
Almost surely, 21431415019 is an apocalyptic number.
1431415019 is a deficient number, since it is larger than the sum of its proper divisors (1).
1431415019 is an equidigital number, since it uses as much as digits as its factorization.
1431415019 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2160, while the sum is 29.
The square root of 1431415019 is about 37834.0457656857. The cubic root of 1431415019 is about 1126.9946556356.
The spelling of 1431415019 in words is "one billion, four hundred thirty-one million, four hundred fifteen thousand, nineteen".
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