Base | Representation |
---|---|
bin | 11011111110000011… |
… | …110000000110111001 |
3 | 2212111222212211122012 |
4 | 123332003300012321 |
5 | 443001220400441 |
6 | 21444022135305 |
7 | 2112140326520 |
oct | 337603600671 |
9 | 85458784565 |
10 | 30032200121 |
11 | 11811437500 |
12 | 59a1881535 |
13 | 2aa7c5a621 |
14 | 164c82b4b7 |
15 | bab8899eb |
hex | 6fe0f01b9 |
30032200121 has 24 divisors (see below), whose sum is σ = 37767999360. Its totient is φ = 23375911680.
The previous prime is 30032200111. The next prime is 30032200123. The reversal of 30032200121 is 12100223003.
It is a happy number.
It is not a de Polignac number, because 30032200121 - 210 = 30032199097 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30032200096 and 30032200105.
It is not an unprimeable number, because it can be changed into a prime (30032200123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 767780 + ... + 805946.
It is an arithmetic number, because the mean of its divisors is an integer number (1573666640).
Almost surely, 230032200121 is an apocalyptic number.
It is an amenable number.
30032200121 is a deficient number, since it is larger than the sum of its proper divisors (7735799239).
30032200121 is a wasteful number, since it uses less digits than its factorization.
30032200121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39125 (or 39114 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 30032200121 its reverse (12100223003), we get a palindrome (42132423124).
The spelling of 30032200121 in words is "thirty billion, thirty-two million, two hundred thousand, one hundred twenty-one".
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