Base | Representation |
---|---|
bin | 11100011011001001… |
… | …011101000001111111 |
3 | 2220210000012112102011 |
4 | 130123021131001333 |
5 | 1000001134442421 |
6 | 22004254312051 |
7 | 2130214465243 |
oct | 343311350177 |
9 | 86700175364 |
10 | 30520234111 |
11 | 11a41970684 |
12 | 5ab91b8627 |
13 | 2b550b3033 |
14 | 169758a423 |
15 | bd963c4e1 |
hex | 71b25d07f |
30520234111 has 8 divisors (see below), whose sum is σ = 31606069248. Its totient is φ = 29440731000.
The previous prime is 30520234099. The next prime is 30520234117. The reversal of 30520234111 is 11143202503.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30520234111 - 211 = 30520232063 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 (30520234117) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1573195 + ... + 1592476.
It is an arithmetic number, because the mean of its divisors is an integer number (3950758656).
Almost surely, 230520234111 is an apocalyptic number.
30520234111 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
30520234111 is a deficient number, since it is larger than the sum of its proper divisors (1085835137).
30520234111 is a wasteful number, since it uses less digits than its factorization.
30520234111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3166013.
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 30520234111 its reverse (11143202503), we get a palindrome (41663436614).
The spelling of 30520234111 in words is "thirty billion, five hundred twenty million, two hundred thirty-four thousand, one hundred eleven".
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