Base | Representation |
---|---|
bin | 1101110001111001111010… |
… | …01001010000111101011101 |
3 | 10222021211210212211010020101 |
4 | 12320330331021100331131 |
5 | 12432432014122042341 |
6 | 144240320022221101 |
7 | 6245151210110554 |
oct | 670747511207535 |
9 | 128254725733211 |
10 | 30302020112221 |
11 | 9723018421590 |
12 | 3494899284791 |
13 | 13ba611937720 |
14 | 76a8a8900d9b |
15 | 3783599be831 |
hex | 1b8f3d250f5d |
30302020112221 has 32 divisors (see below), whose sum is σ = 36879686363520. Its totient is φ = 24516405984000.
The previous prime is 30302020112191. The next prime is 30302020112251. The reversal of 30302020112221 is 12221102020303.
It is an interprime number because it is at equal distance from previous prime (30302020112191) and next prime (30302020112251).
It is a cyclic number.
It is not a de Polignac number, because 30302020112221 - 27 = 30302020112093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30302020112251) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2304775 + ... + 8118868.
It is an arithmetic number, because the mean of its divisors is an integer number (1152490198860).
Almost surely, 230302020112221 is an apocalyptic number.
It is an amenable number.
30302020112221 is a deficient number, since it is larger than the sum of its proper divisors (6577666251299).
30302020112221 is a wasteful number, since it uses less digits than its factorization.
30302020112221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10424397.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 30302020112221 its reverse (12221102020303), we get a palindrome (42523122132524).
The spelling of 30302020112221 in words is "thirty trillion, three hundred two billion, twenty million, one hundred twelve thousand, two hundred twenty-one".
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