Base | Representation |
---|---|
bin | 1101101111010000110011… |
… | …01100110010010111110001 |
3 | 10221222011110122100000111211 |
4 | 12313220121230302113301 |
5 | 12424440100132143441 |
6 | 144130503055240121 |
7 | 6235455320362555 |
oct | 667503154622761 |
9 | 127864418300454 |
10 | 30211231131121 |
11 | 96985694062a7 |
12 | 347b180219041 |
13 | 13b1ba351cb31 |
14 | 766334d05865 |
15 | 375ce4245a81 |
hex | 1b7a19b325f1 |
30211231131121 has 8 divisors (see below), whose sum is σ = 30948259845888. Its totient is φ = 29474210484000.
The previous prime is 30211231131101. The next prime is 30211231131127. The reversal of 30211231131121 is 12113113211203.
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 30211231131121 - 223 = 30211222742513 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30211231131092 and 30211231131101.
It is not an unprimeable number, because it can be changed into a prime (30211231131127) 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, 5942436 + ... + 9784426.
It is an arithmetic number, because the mean of its divisors is an integer number (3868532480736).
Almost surely, 230211231131121 is an apocalyptic number.
It is an amenable number.
30211231131121 is a deficient number, since it is larger than the sum of its proper divisors (737028714767).
30211231131121 is a wasteful number, since it uses less digits than its factorization.
30211231131121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4033823.
The product of its (nonzero) digits is 216, while the sum is 22.
Adding to 30211231131121 its reverse (12113113211203), we get a palindrome (42324344342324).
The spelling of 30211231131121 in words is "thirty trillion, two hundred eleven billion, two hundred thirty-one million, one hundred thirty-one thousand, one hundred twenty-one".
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