Base | Representation |
---|---|
bin | 1101110010001011000111… |
… | …11001110010101111110001 |
3 | 10222022201122211212102010100 |
4 | 12321011203321302233301 |
5 | 12433104430114133241 |
6 | 144244444543423013 |
7 | 6245626200325365 |
oct | 671054371625761 |
9 | 128281584772110 |
10 | 30311260302321 |
11 | 9726a2a256129 |
12 | 34966378b4a69 |
13 | 13bb4550a422b |
14 | 76b103b9b2a5 |
15 | 3786eace39b6 |
hex | 1b9163e72bf1 |
30311260302321 has 6 divisors (see below), whose sum is σ = 43782931547810. Its totient is φ = 20207506868208.
The previous prime is 30311260302313. The next prime is 30311260302347. The reversal of 30311260302321 is 12320306211303.
30311260302321 is a `hidden beast` number, since 3 + 0 + 3 + 1 + 12 + 603 + 0 + 23 + 21 = 666.
It can be written as a sum of positive squares in only one way, i.e., 19321299360000 + 10989960942321 = 4395600^2 + 3315111^2 .
It is not a de Polignac number, because 30311260302321 - 23 = 30311260302313 is a prime.
It is a super-2 number, since 2×303112603023212 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30311260302311) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1683958905676 + ... + 1683958905693.
Almost surely, 230311260302321 is an apocalyptic number.
It is an amenable number.
30311260302321 is a deficient number, since it is larger than the sum of its proper divisors (13471671245489).
30311260302321 is a wasteful number, since it uses less digits than its factorization.
30311260302321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3367917811375 (or 3367917811372 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
Adding to 30311260302321 its reverse (12320306211303), we get a palindrome (42631566513624).
The spelling of 30311260302321 in words is "thirty trillion, three hundred eleven billion, two hundred sixty million, three hundred two thousand, three hundred twenty-one".
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