Base | Representation |
---|---|
bin | 11100000100101000… |
… | …001111110001100111 |
3 | 2212210200022010000211 |
4 | 130010220033301213 |
5 | 443212430232221 |
6 | 21503000520251 |
7 | 2114646300400 |
oct | 340450176147 |
9 | 85720263024 |
10 | 30142430311 |
11 | 11868686034 |
12 | 5a12780087 |
13 | 2ac4a436a6 |
14 | 165d3229a7 |
15 | bb63b06e1 |
hex | 704a0fc67 |
30142430311 has 6 divisors (see below), whose sum is σ = 35063643480. Its totient is φ = 25836368796.
The previous prime is 30142430303. The next prime is 30142430333. The reversal of 30142430311 is 11303424103.
It is not a de Polignac number, because 30142430311 - 23 = 30142430303 is a prime.
It is a super-2 number, since 2×301424303112 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30142430341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307575771 + ... + 307575868.
It is an arithmetic number, because the mean of its divisors is an integer number (5843940580).
Almost surely, 230142430311 is an apocalyptic number.
30142430311 is a deficient number, since it is larger than the sum of its proper divisors (4921213169).
30142430311 is an equidigital number, since it uses as much as digits as its factorization.
30142430311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 615151653 (or 615151646 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 30142430311 its reverse (11303424103), we get a palindrome (41445854414).
The spelling of 30142430311 in words is "thirty billion, one hundred forty-two million, four hundred thirty thousand, three hundred eleven".
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