Base | Representation |
---|---|
bin | 11100001000010000… |
… | …011111101111101010 |
3 | 2212221220212021120001 |
4 | 130020100133233222 |
5 | 443324022010010 |
6 | 21513013453214 |
7 | 2116315632334 |
oct | 341020375752 |
9 | 85856767501 |
10 | 30203313130 |
11 | 11899a8a211 |
12 | 5a2b04120a |
13 | 2b0453c423 |
14 | 1667450454 |
15 | bbb8d9c3a |
hex | 70841fbea |
30203313130 has 16 divisors (see below), whose sum is σ = 54491527944. Its totient is φ = 12053422080.
The previous prime is 30203313089. The next prime is 30203313139. The reversal of 30203313130 is 3131330203.
It can be written as a sum of positive squares in 4 ways, for example, as 22020482449 + 8182830681 = 148393^2 + 90459^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30203313098 and 30203313107.
It is not an unprimeable number, because it can be changed into a prime (30203313139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3483351 + ... + 3492010.
Almost surely, 230203313130 is an apocalyptic number.
30203313130 is a deficient number, since it is larger than the sum of its proper divisors (24288214814).
30203313130 is a wasteful number, since it uses less digits than its factorization.
30203313130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6975801.
The product of its (nonzero) digits is 486, while the sum is 19.
Adding to 30203313130 its reverse (3131330203), we get a palindrome (33334643333).
The spelling of 30203313130 in words is "thirty billion, two hundred three million, three hundred thirteen thousand, one hundred thirty".
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