Base | Representation |
---|---|
bin | 11100011010000110… |
… | …000111000001101011 |
3 | 2220201202222121222110 |
4 | 130122012013001223 |
5 | 444432130032311 |
6 | 22002424053403 |
7 | 2126611440426 |
oct | 343206070153 |
9 | 86652877873 |
10 | 30502580331 |
11 | 11a32a03083 |
12 | 5ab3304263 |
13 | 2b51541802 |
14 | 16950b29bd |
15 | bd7d018a6 |
hex | 71a18706b |
30502580331 has 32 divisors (see below), whose sum is σ = 42560340480. Its totient is φ = 19413098496.
The previous prime is 30502580323. The next prime is 30502580363. The reversal of 30502580331 is 13308520503.
It is not a de Polignac number, because 30502580331 - 23 = 30502580323 is a prime.
It is a super-2 number, since 2×305025803312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30502580131) 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, 1903330 + ... + 1919288.
It is an arithmetic number, because the mean of its divisors is an integer number (1330010640).
Almost surely, 230502580331 is an apocalyptic number.
30502580331 is a deficient number, since it is larger than the sum of its proper divisors (12057760149).
30502580331 is a wasteful number, since it uses less digits than its factorization.
30502580331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16323.
The product of its (nonzero) digits is 10800, while the sum is 30.
The spelling of 30502580331 in words is "thirty billion, five hundred two million, five hundred eighty thousand, three hundred thirty-one".
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