Base | Representation |
---|---|
bin | 100111101001001… |
… | …1001000101101011 |
3 | 10102201001020201222 |
4 | 1033102121011223 |
5 | 10211014041134 |
6 | 335555132255 |
7 | 44651460362 |
oct | 11722310553 |
9 | 3381036658 |
10 | 1330221419 |
11 | 62296a04a |
12 | 3115a408b |
13 | 182789987 |
14 | c894a7d9 |
15 | 7bbaea2e |
hex | 4f49916b |
1330221419 has 2 divisors, whose sum is σ = 1330221420. Its totient is φ = 1330221418.
The previous prime is 1330221397. The next prime is 1330221443. The reversal of 1330221419 is 9141220331.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1330221419 is a prime.
It is a super-2 number, since 2×13302214192 = 3538978047132747122, which contains 22 as substring.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (1330221499) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665110709 + 665110710.
It is an arithmetic number, because the mean of its divisors is an integer number (665110710).
Almost surely, 21330221419 is an apocalyptic number.
1330221419 is a deficient number, since it is larger than the sum of its proper divisors (1).
1330221419 is an equidigital number, since it uses as much as digits as its factorization.
1330221419 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 1330221419 is about 36472.2006328107. The cubic root of 1330221419 is about 1099.7854730407.
The spelling of 1330221419 in words is "one billion, three hundred thirty million, two hundred twenty-one thousand, four hundred nineteen".
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