Base | Representation |
---|---|
bin | 1101101110111110000111… |
… | …10111010101101101001001 |
3 | 10221221012120122002202210000 |
4 | 12313133003313111231021 |
5 | 12424304024441401441 |
6 | 144122123521313213 |
7 | 6234651626614041 |
oct | 667370367255511 |
9 | 127835518082700 |
10 | 30201201122121 |
11 | 9694291765067 |
12 | 3479241195809 |
13 | 13b0c65556573 |
14 | 765a62bb0721 |
15 | 37590890b2b6 |
hex | 1b77c3dd5b49 |
30201201122121 has 80 divisors (see below), whose sum is σ = 46975062879360. Its totient is φ = 19313324916480.
The previous prime is 30201201122117. The next prime is 30201201122123. The reversal of 30201201122121 is 12122110210203.
30201201122121 is a `hidden beast` number, since 302 + 0 + 120 + 1 + 1 + 221 + 21 = 666.
It is not a de Polignac number, because 30201201122121 - 22 = 30201201122117 is a prime.
It is a super-2 number, since 2×302012011221212 (a number of 28 digits) contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30201201122094 and 30201201122103.
It is not an unprimeable number, because it can be changed into a prime (30201201122123) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1130651956 + ... + 1130678666.
It is an arithmetic number, because the mean of its divisors is an integer number (587188285992).
Almost surely, 230201201122121 is an apocalyptic number.
It is an amenable number.
30201201122121 is a deficient number, since it is larger than the sum of its proper divisors (16773861757239).
30201201122121 is a wasteful number, since it uses less digits than its factorization.
30201201122121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29868 (or 29859 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 30201201122121 its reverse (12122110210203), we get a palindrome (42323311332324).
The spelling of 30201201122121 in words is "thirty trillion, two hundred one billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty-one".
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