Base | Representation |
---|---|
bin | 11100011011110011… |
… | …000010001010101010 |
3 | 2220210202201022102021 |
4 | 130123303002022222 |
5 | 1000011432242442 |
6 | 22005324055054 |
7 | 2130406233556 |
oct | 343363021252 |
9 | 86722638367 |
10 | 30531134122 |
11 | 11a48035a55 |
12 | 5b0099448a |
13 | 2b5742b448 |
14 | 1698bc6866 |
15 | bda591e67 |
hex | 71bcc22aa |
30531134122 has 32 divisors (see below), whose sum is σ = 51292144512. Its totient is φ = 13554630144.
The previous prime is 30531134113. The next prime is 30531134131. The reversal of 30531134122 is 22143113503.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30531134113) and next prime (30531134131).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210328 + ... + 324499.
It is an arithmetic number, because the mean of its divisors is an integer number (1602879516).
Almost surely, 230531134122 is an apocalyptic number.
30531134122 is a deficient number, since it is larger than the sum of its proper divisors (20761010390).
30531134122 is a wasteful number, since it uses less digits than its factorization.
30531134122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 534942.
The product of its (nonzero) digits is 2160, while the sum is 25.
Adding to 30531134122 its reverse (22143113503), we get a palindrome (52674247625).
The spelling of 30531134122 in words is "thirty billion, five hundred thirty-one million, one hundred thirty-four thousand, one hundred twenty-two".
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