Base | Representation |
---|---|
bin | 11100001001111010… |
… | …100101000010110101 |
3 | 2220000212012010021221 |
4 | 130021322211002311 |
5 | 443403131401401 |
6 | 21515445510341 |
7 | 2120104204135 |
oct | 341172450265 |
9 | 86025163257 |
10 | 30231122101 |
11 | 11903753534 |
12 | 5a384123b1 |
13 | 2b0a22803b |
14 | 166b00cac5 |
15 | bbe07e7a1 |
hex | 709ea50b5 |
30231122101 has 4 divisors (see below), whose sum is σ = 30248310400. Its totient is φ = 30213933804.
The previous prime is 30231122027. The next prime is 30231122107. The reversal of 30231122101 is 10122113203.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30231122101 - 221 = 30229024949 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 (30231122107) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 8591511 + ... + 8595028.
It is an arithmetic number, because the mean of its divisors is an integer number (7562077600).
Almost surely, 230231122101 is an apocalyptic number.
It is an amenable number.
30231122101 is a deficient number, since it is larger than the sum of its proper divisors (17188299).
30231122101 is a wasteful number, since it uses less digits than its factorization.
30231122101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17188298.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 30231122101 its reverse (10122113203), we get a palindrome (40353235304).
The spelling of 30231122101 in words is "thirty billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred one".
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