Base | Representation |
---|---|
bin | 11011111101011100… |
… | …111101011010100100 |
3 | 2212111021202012020112 |
4 | 123331130331122210 |
5 | 442441114443022 |
6 | 21443020152152 |
7 | 2111655024131 |
oct | 337534753244 |
9 | 85437665215 |
10 | 30022031012 |
11 | 11806721286 |
12 | 599a398658 |
13 | 2aa5b09abc |
14 | 164b341588 |
15 | baaa2b8e2 |
hex | 6fd73d6a4 |
30022031012 has 6 divisors (see below), whose sum is σ = 52538554278. Its totient is φ = 15011015504.
The previous prime is 30022030949. The next prime is 30022031033. The reversal of 30022031012 is 21013022003.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 29256734116 + 765296896 = 171046^2 + 27664^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3752753873 + ... + 3752753880.
It is an arithmetic number, because the mean of its divisors is an integer number (8756425713).
Almost surely, 230022031012 is an apocalyptic number.
It is an amenable number.
30022031012 is a deficient number, since it is larger than the sum of its proper divisors (22516523266).
30022031012 is a wasteful number, since it uses less digits than its factorization.
30022031012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7505507757 (or 7505507755 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 30022031012 its reverse (21013022003), we get a palindrome (51035053015).
Subtracting from 30022031012 its reverse (21013022003), we obtain a palindrome (9009009009).
The spelling of 30022031012 in words is "thirty billion, twenty-two million, thirty-one thousand, twelve".
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