Base | Representation |
---|---|
bin | 11100000011011011… |
… | …001010011001101011 |
3 | 2212202021021111002201 |
4 | 130003123022121223 |
5 | 443142242120321 |
6 | 21500555441031 |
7 | 2114312446513 |
oct | 340333123153 |
9 | 85667244081 |
10 | 30122223211 |
11 | 11858234153 |
12 | 5a07a56177 |
13 | 2ac07b9c22 |
14 | 165a782843 |
15 | bb471d291 |
hex | 7036ca66b |
30122223211 has 32 divisors (see below), whose sum is σ = 34697678400. Its totient is φ = 25969950720.
The previous prime is 30122223193. The next prime is 30122223221. The reversal of 30122223211 is 11232222103.
It is not a de Polignac number, because 30122223211 - 27 = 30122223083 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is not an unprimeable number, because it can be changed into a prime (30122223221) 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, 1486395 + ... + 1506523.
It is an arithmetic number, because the mean of its divisors is an integer number (1084302450).
Almost surely, 230122223211 is an apocalyptic number.
30122223211 is a deficient number, since it is larger than the sum of its proper divisors (4575455189).
30122223211 is a wasteful number, since it uses less digits than its factorization.
30122223211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20319.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 30122223211 its reverse (11232222103), we get a palindrome (41354445314).
The spelling of 30122223211 in words is "thirty billion, one hundred twenty-two million, two hundred twenty-three thousand, two hundred eleven".
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