Base | Representation |
---|---|
bin | 10010111111011010100… |
… | …100101100000010010011 |
3 | 11121202112122000202211101 |
4 | 102333122210230002103 |
5 | 132340211242010311 |
6 | 2435310022125231 |
7 | 163200106113025 |
oct | 22773244540223 |
9 | 4552478022741 |
10 | 1305042141331 |
11 | 4635132a2645 |
12 | 190b13b80817 |
13 | 960ac8bc416 |
14 | 4724309a015 |
15 | 23e31902ec1 |
hex | 12fda92c093 |
1305042141331 has 8 divisors (see below), whose sum is σ = 1310367711744. Its totient is φ = 1299717573000.
The previous prime is 1305042141307. The next prime is 1305042141343. The reversal of 1305042141331 is 1331412405031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1305042141331 - 29 = 1305042140819 is a prime.
It is a super-2 number, since 2×13050421413312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1305042141331.
It is not an unprimeable number, because it can be changed into a prime (1305042141131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2417266 + ... + 2907448.
It is an arithmetic number, because the mean of its divisors is an integer number (163795963968).
Almost surely, 21305042141331 is an apocalyptic number.
1305042141331 is a deficient number, since it is larger than the sum of its proper divisors (5325570413).
1305042141331 is a wasteful number, since it uses less digits than its factorization.
1305042141331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 501041.
The product of its (nonzero) digits is 4320, while the sum is 28.
Adding to 1305042141331 its reverse (1331412405031), we get a palindrome (2636454546362).
The spelling of 1305042141331 in words is "one trillion, three hundred five billion, forty-two million, one hundred forty-one thousand, three hundred thirty-one".
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