Base | Representation |
---|---|
bin | 1101110101101010100011… |
… | …00010100111010001111001 |
3 | 10222202012021102212111010002 |
4 | 12322311101202213101321 |
5 | 12442041110044223231 |
6 | 144415523330202345 |
7 | 6260403533213441 |
oct | 672652142472171 |
9 | 128665242774102 |
10 | 30431211320441 |
11 | 97728934a5458 |
12 | 34b59331233b5 |
13 | 13c986009b729 |
14 | 772c427d3121 |
15 | 37b8bb8210cb |
hex | 1bad518a7479 |
30431211320441 has 16 divisors (see below), whose sum is σ = 31772382969600. Its totient is φ = 29091550591488.
The previous prime is 30431211320407. The next prime is 30431211320443. The reversal of 30431211320441 is 14402311213403.
It is a cyclic number.
It is not a de Polignac number, because 30431211320441 - 226 = 30431144211577 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30431211320443) 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, 311717645 + ... + 311815253.
It is an arithmetic number, because the mean of its divisors is an integer number (1985773935600).
Almost surely, 230431211320441 is an apocalyptic number.
It is an amenable number.
30431211320441 is a deficient number, since it is larger than the sum of its proper divisors (1341171649159).
30431211320441 is a wasteful number, since it uses less digits than its factorization.
30431211320441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105208.
The product of its (nonzero) digits is 6912, while the sum is 29.
Adding to 30431211320441 its reverse (14402311213403), we get a palindrome (44833522533844).
The spelling of 30431211320441 in words is "thirty trillion, four hundred thirty-one billion, two hundred eleven million, three hundred twenty thousand, four hundred forty-one".
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