Base | Representation |
---|---|
bin | 10011010110110101110… |
… | …100111111100010001001 |
3 | 11201011110121102212110000 |
4 | 103112311310333202021 |
5 | 133243220014243111 |
6 | 2455030001113213 |
7 | 165050324605200 |
oct | 23266564774211 |
9 | 4634417385400 |
10 | 1330195462281 |
11 | 4731507299a4 |
12 | 195973928809 |
13 | 9858ab1829a |
14 | 4854b954237 |
15 | 24904cadc56 |
hex | 135b5d3f889 |
1330195462281 has 45 divisors (see below), whose sum is σ = 2311629949629. Its totient is φ = 760070172456.
The previous prime is 1330195462223. The next prime is 1330195462303. The reversal of 1330195462281 is 1822645910331.
The square root of 1330195462281 is 1153341.
It is a perfect power (a square), and thus also a powerful number.
1330195462281 is a `hidden beast` number, since 1 + 3 + 3 + 0 + 1 + 9 + 546 + 22 + 81 = 666.
It is not a de Polignac number, because 1330195462281 - 217 = 1330195331209 is a prime.
It is a super-2 number, since 2×13301954622812 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1330195462081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 72651330 + ... + 72669636.
Almost surely, 21330195462281 is an apocalyptic number.
1330195462281 is the 1153341-st square number.
1330195462281 is the 576671-st centered octagonal number.
It is an amenable number.
1330195462281 is a deficient number, since it is larger than the sum of its proper divisors (981434487348).
1330195462281 is an frugal number, since it uses more digits than its factorization.
1330195462281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36640 (or 18317 counting only the distinct ones).
The product of its (nonzero) digits is 311040, while the sum is 45.
The spelling of 1330195462281 in words is "one trillion, three hundred thirty billion, one hundred ninety-five million, four hundred sixty-two thousand, two hundred eighty-one".
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