Base | Representation |
---|---|
bin | 1101101111010000110011… |
… | …01000111110011110011001 |
3 | 10221222011110120110021010211 |
4 | 12313220121220332132121 |
5 | 12424440044403211441 |
6 | 144130503022011121 |
7 | 6235455306032203 |
oct | 667503150763631 |
9 | 127864416407124 |
10 | 30211230132121 |
11 | 9698568893785 |
12 | 347b17ba16aa1 |
13 | 13b1ba32601cc |
14 | 766334b25773 |
15 | 375ce40e9a81 |
hex | 1b7a19a3e799 |
30211230132121 has 16 divisors (see below), whose sum is σ = 30655489875840. Its totient is φ = 29767495484160.
The previous prime is 30211230132113. The next prime is 30211230132133. The reversal of 30211230132121 is 12123103211203.
It is a cyclic number.
It is not a de Polignac number, because 30211230132121 - 23 = 30211230132113 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30211230132092 and 30211230132101.
It is not an unprimeable number, because it can be changed into a prime (30211230132221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1928327530 + ... + 1928343196.
It is an arithmetic number, because the mean of its divisors is an integer number (1915968117240).
Almost surely, 230211230132121 is an apocalyptic number.
It is an amenable number.
30211230132121 is a deficient number, since it is larger than the sum of its proper divisors (444259743719).
30211230132121 is a wasteful number, since it uses less digits than its factorization.
30211230132121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30624.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 30211230132121 its reverse (12123103211203), we get a palindrome (42334333343324).
The spelling of 30211230132121 in words is "thirty trillion, two hundred eleven billion, two hundred thirty million, one hundred thirty-two thousand, one hundred twenty-one".
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