Base | Representation |
---|---|
bin | 11100000011111100… |
… | …101001111011100111 |
3 | 2212202212210112212012 |
4 | 130003330221323213 |
5 | 443202014044421 |
6 | 21501511544435 |
7 | 2114450205056 |
oct | 340374517347 |
9 | 85685715765 |
10 | 30131003111 |
11 | 11862190670 |
12 | 5a0a98b11b |
13 | 2ac2572331 |
14 | 165b9ca39d |
15 | bb53a495b |
hex | 703f29ee7 |
30131003111 has 32 divisors (see below), whose sum is σ = 34992414720. Its totient is φ = 25657430400.
The previous prime is 30131003107. The next prime is 30131003143. The reversal of 30131003111 is 11130013103.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 30131003111 - 22 = 30131003107 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30131003011) 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, 8412341 + ... + 8415921.
It is an arithmetic number, because the mean of its divisors is an integer number (1093512960).
Almost surely, 230131003111 is an apocalyptic number.
30131003111 is a deficient number, since it is larger than the sum of its proper divisors (4861411609).
30131003111 is a wasteful number, since it uses less digits than its factorization.
30131003111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4055.
The product of its (nonzero) digits is 27, while the sum is 14.
Adding to 30131003111 its reverse (11130013103), we get a palindrome (41261016214).
The spelling of 30131003111 in words is "thirty billion, one hundred thirty-one million, three thousand, one hundred eleven".
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