Base | Representation |
---|---|
bin | 11011111100110111… |
… | …100100110101011010 |
3 | 2212110121022022011012 |
4 | 123330313210311122 |
5 | 442431112343002 |
6 | 21442030133522 |
7 | 2111505516515 |
oct | 337467446532 |
9 | 85417268135 |
10 | 30012231002 |
11 | 118011383a6 |
12 | 59970512a2 |
13 | 2aa3a88290 |
14 | 1649d0dd7c |
15 | ba9c42d52 |
hex | 6fcde4d5a |
30012231002 has 32 divisors (see below), whose sum is σ = 49000717584. Its totient is φ = 13703616000.
The previous prime is 30012230987. The next prime is 30012231017. The reversal of 30012231002 is 20013221003.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30012230987) and next prime (30012231017).
It can be written as a sum of positive squares in 8 ways, for example, as 16710991441 + 13301239561 = 129271^2 + 115331^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3885248 + ... + 3892964.
Almost surely, 230012231002 is an apocalyptic number.
30012231002 is a deficient number, since it is larger than the sum of its proper divisors (18988486582).
30012231002 is a wasteful number, since it uses less digits than its factorization.
30012231002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9314.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 30012231002 its reverse (20013221003), we get a palindrome (50025452005).
Subtracting from 30012231002 its reverse (20013221003), we obtain a palindrome (9999009999).
The spelling of 30012231002 in words is "thirty billion, twelve million, two hundred thirty-one thousand, two".
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