Base | Representation |
---|---|
bin | 11011111110000011… |
… | …110010110010110001 |
3 | 2212111222220101201121 |
4 | 123332003302302301 |
5 | 443001221223441 |
6 | 21444022302241 |
7 | 2112140403553 |
oct | 337603626261 |
9 | 85458811647 |
10 | 30032211121 |
11 | 118114447a0 |
12 | 59a1887981 |
13 | 2aa7c62633 |
14 | 164c8314d3 |
15 | bab88cdd1 |
hex | 6fe0f2cb1 |
30032211121 has 8 divisors (see below), whose sum is σ = 32769115488. Its totient is φ = 27296424000.
The previous prime is 30032211113. The next prime is 30032211151. The reversal of 30032211121 is 12111223003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30032211121 - 23 = 30032211113 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30032211095 and 30032211104.
It is not an unprimeable number, because it can be changed into a prime (30032211151) 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, 222600 + ... + 331081.
It is an arithmetic number, because the mean of its divisors is an integer number (4096139436).
Almost surely, 230032211121 is an apocalyptic number.
It is an amenable number.
30032211121 is a deficient number, since it is larger than the sum of its proper divisors (2736904367).
30032211121 is a wasteful number, since it uses less digits than its factorization.
30032211121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 558623.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 30032211121 its reverse (12111223003), we get a palindrome (42143434124).
The spelling of 30032211121 in words is "thirty billion, thirty-two million, two hundred eleven thousand, one hundred twenty-one".
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