Base | Representation |
---|---|
bin | 11011111100001101… |
… | …111101010101011111 |
3 | 2212102211210000212120 |
4 | 123330031331111133 |
5 | 442420314240221 |
6 | 21441000234023 |
7 | 2111314011033 |
oct | 337415752537 |
9 | 85384700776 |
10 | 30001321311 |
11 | 117a5a66825 |
12 | 599346b913 |
13 | 2aa1738640 |
14 | 16486b01c3 |
15 | ba8cda5c6 |
hex | 6fc37d55f |
30001321311 has 16 divisors (see below), whose sum is σ = 43130957184. Its totient is φ = 18440007264.
The previous prime is 30001321307. The next prime is 30001321331. The reversal of 30001321311 is 11312310003.
It is not a de Polignac number, because 30001321311 - 22 = 30001321307 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30001321331) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432841 + ... + 497346.
It is an arithmetic number, because the mean of its divisors is an integer number (2695684824).
Almost surely, 230001321311 is an apocalyptic number.
30001321311 is a deficient number, since it is larger than the sum of its proper divisors (13129635873).
30001321311 is a wasteful number, since it uses less digits than its factorization.
30001321311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 931030.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 30001321311 its reverse (11312310003), we get a palindrome (41313631314).
The spelling of 30001321311 in words is "thirty billion, one million, three hundred twenty-one thousand, three hundred eleven".
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