Base | Representation |
---|---|
bin | 11011111100010101… |
… | …100000111011110011 |
3 | 2212102222111200001021 |
4 | 123330111200323303 |
5 | 442421321132011 |
6 | 21441110520311 |
7 | 2111336601025 |
oct | 337425407363 |
9 | 85388450037 |
10 | 30003302131 |
11 | 117a7099a70 |
12 | 5994066097 |
13 | 2aa1c8011a |
14 | 1648a68015 |
15 | ba907c471 |
hex | 6fc560ef3 |
30003302131 has 16 divisors (see below), whose sum is σ = 34296929280. Its totient is φ = 25980613120.
The previous prime is 30003302123. The next prime is 30003302143. The reversal of 30003302131 is 13120330003.
It is not a de Polignac number, because 30003302131 - 23 = 30003302123 is a prime.
It is a super-2 number, since 2×300033021312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30003302101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187630 + ... + 308563.
It is an arithmetic number, because the mean of its divisors is an integer number (2143558080).
Almost surely, 230003302131 is an apocalyptic number.
30003302131 is a deficient number, since it is larger than the sum of its proper divisors (4293627149).
30003302131 is a wasteful number, since it uses less digits than its factorization.
30003302131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 496466.
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 30003302131 its reverse (13120330003), we get a palindrome (43123632134).
The spelling of 30003302131 in words is "thirty billion, three million, three hundred two thousand, one hundred thirty-one".
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