Base | Representation |
---|---|
bin | 11100000010001111… |
… | …000011100100110111 |
3 | 2212200212201212121111 |
4 | 130002033003210313 |
5 | 443122140203221 |
6 | 21455004055451 |
7 | 2113651043566 |
oct | 340217034467 |
9 | 85625655544 |
10 | 30102272311 |
11 | 11847a47801 |
12 | 5a01234587 |
13 | 2ab9622c67 |
14 | 1657c6bbdd |
15 | bb2acbbe1 |
hex | 7023c3937 |
30102272311 has 2 divisors, whose sum is σ = 30102272312. Its totient is φ = 30102272310.
The previous prime is 30102272309. The next prime is 30102272353. The reversal of 30102272311 is 11327220103.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30102272311 - 21 = 30102272309 is a prime.
It is a super-2 number, since 2×301022723112 (a number of 22 digits) contains 22 as substring.
Together with 30102272309, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30102275311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051136155 + 15051136156.
It is an arithmetic number, because the mean of its divisors is an integer number (15051136156).
Almost surely, 230102272311 is an apocalyptic number.
30102272311 is a deficient number, since it is larger than the sum of its proper divisors (1).
30102272311 is an equidigital number, since it uses as much as digits as its factorization.
30102272311 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 504, while the sum is 22.
Adding to 30102272311 its reverse (11327220103), we get a palindrome (41429492414).
The spelling of 30102272311 in words is "thirty billion, one hundred two million, two hundred seventy-two thousand, three hundred eleven".
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