Base | Representation |
---|---|
bin | 1101110101001000110110… |
… | …10110100011101101000101 |
3 | 10222200110120210020010010000 |
4 | 12322210123112203231011 |
5 | 12441242033303234341 |
6 | 144403332344151513 |
7 | 6256163344234413 |
oct | 672443326435505 |
9 | 128613523203100 |
10 | 30413122321221 |
11 | 9766150755622 |
12 | 34b2325168599 |
13 | 13c7c395a98b3 |
14 | 77200823a2b3 |
15 | 37b1ad7378b6 |
hex | 1ba91b5a3b45 |
30413122321221 has 20 divisors (see below), whose sum is σ = 46488505098112. Its totient is φ = 19803893602248.
The previous prime is 30413122321213. The next prime is 30413122321237. The reversal of 30413122321221 is 12212322131403.
30413122321221 is a `hidden beast` number, since 3 + 0 + 4 + 1 + 312 + 2 + 321 + 2 + 21 = 666.
It is not a de Polignac number, because 30413122321221 - 23 = 30413122321213 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30413122321201) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4365934261 + ... + 4365941226.
Almost surely, 230413122321221 is an apocalyptic number.
It is an amenable number.
30413122321221 is a deficient number, since it is larger than the sum of its proper divisors (16075382776891).
30413122321221 is an equidigital number, since it uses as much as digits as its factorization.
30413122321221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8731875542 (or 8731875533 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
Adding to 30413122321221 its reverse (12212322131403), we get a palindrome (42625444452624).
The spelling of 30413122321221 in words is "thirty trillion, four hundred thirteen billion, one hundred twenty-two million, three hundred twenty-one thousand, two hundred twenty-one".
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