Base | Representation |
---|---|
bin | 11100000011111101… |
… | …111010010011001110 |
3 | 2212202220102021102110 |
4 | 130003331322103032 |
5 | 443202110113202 |
6 | 21501523004450 |
7 | 2114453045601 |
oct | 340375722316 |
9 | 85686367373 |
10 | 30131332302 |
11 | 11862395a25 |
12 | 5a0ab09726 |
13 | 2ac2659116 |
14 | 165ba74338 |
15 | bb541c26c |
hex | 703f7a4ce |
30131332302 has 32 divisors (see below), whose sum is σ = 61127944704. Its totient is φ = 9899640800.
The previous prime is 30131332289. The next prime is 30131332313. The reversal of 30131332302 is 20323313103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2131903 + ... + 2145989.
It is an arithmetic number, because the mean of its divisors is an integer number (1910248272).
Almost surely, 230131332302 is an apocalyptic number.
30131332302 is an abundant number, since it is smaller than the sum of its proper divisors (30996612402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30131332302 is a wasteful number, since it uses less digits than its factorization.
30131332302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19184.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 30131332302 its reverse (20323313103), we get a palindrome (50454645405).
The spelling of 30131332302 in words is "thirty billion, one hundred thirty-one million, three hundred thirty-two thousand, three hundred two".
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