Base | Representation |
---|---|
bin | 11100001000101111… |
… | …010110111010010101 |
3 | 2212222111002022100011 |
4 | 130020233112322111 |
5 | 443333104402123 |
6 | 21513503120221 |
7 | 2116444456222 |
oct | 341057267225 |
9 | 85874068304 |
10 | 30211403413 |
11 | 118a36055a4 |
12 | 5a318a3071 |
13 | 2b06112989 |
14 | 1668558949 |
15 | bbc486e0d |
hex | 708bd6e95 |
30211403413 has 2 divisors, whose sum is σ = 30211403414. Its totient is φ = 30211403412.
The previous prime is 30211403401. The next prime is 30211403437. The reversal of 30211403413 is 31430411203.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 16357642609 + 13853760804 = 127897^2 + 117702^2 .
It is a cyclic number.
It is not a de Polignac number, because 30211403413 - 221 = 30209306261 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30211400413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105701706 + 15105701707.
It is an arithmetic number, because the mean of its divisors is an integer number (15105701707).
Almost surely, 230211403413 is an apocalyptic number.
It is an amenable number.
30211403413 is a deficient number, since it is larger than the sum of its proper divisors (1).
30211403413 is an equidigital number, since it uses as much as digits as its factorization.
30211403413 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 30211403413 its reverse (31430411203), we get a palindrome (61641814616).
The spelling of 30211403413 in words is "thirty billion, two hundred eleven million, four hundred three thousand, four hundred thirteen".
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