Base | Representation |
---|---|
bin | 11011111100110011… |
… | …101100010011010011 |
3 | 2212110112101120201211 |
4 | 123330303230103103 |
5 | 442430332304021 |
6 | 21441552240551 |
7 | 2111464046563 |
oct | 337463542323 |
9 | 85415346654 |
10 | 30011213011 |
11 | 1180060258a |
12 | 5996840157 |
13 | 2aa37bcb10 |
14 | 1649b26da3 |
15 | ba9ae13e1 |
hex | 6fccec4d3 |
30011213011 has 32 divisors (see below), whose sum is σ = 33447351168. Its totient is φ = 26757319680.
The previous prime is 30011212969. The next prime is 30011213033. The reversal of 30011213011 is 11031211003.
It is not a de Polignac number, because 30011213011 - 27 = 30011212883 is a prime.
It is a super-2 number, since 2×300112130112 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30011212982 and 30011213000.
It is not an unprimeable number, because it can be changed into a prime (30011213711) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10577085 + ... + 10579921.
It is an arithmetic number, because the mean of its divisors is an integer number (1045229724).
Almost surely, 230011213011 is an apocalyptic number.
30011213011 is a deficient number, since it is larger than the sum of its proper divisors (3436138157).
30011213011 is a wasteful number, since it uses less digits than its factorization.
30011213011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3151.
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 30011213011 its reverse (11031211003), we get a palindrome (41042424014).
The spelling of 30011213011 in words is "thirty billion, eleven million, two hundred thirteen thousand, eleven".
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