Base | Representation |
---|---|
bin | 11100000100101011… |
… | …100101001001111000 |
3 | 2212210201221111221020 |
4 | 130010223211021320 |
5 | 443213141214222 |
6 | 21503031342440 |
7 | 2114656600452 |
oct | 340453451170 |
9 | 85721844836 |
10 | 30143304312 |
11 | 11869122750 |
12 | 5a12b21a20 |
13 | 2ac4c8b454 |
14 | 165d4ad2d2 |
15 | bb64d465c |
hex | 704ae5278 |
30143304312 has 32 divisors (see below), whose sum is σ = 82209012480. Its totient is φ = 9134334560.
The previous prime is 30143304293. The next prime is 30143304361. The reversal of 30143304312 is 21340334103.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57089328 + ... + 57089855.
It is an arithmetic number, because the mean of its divisors is an integer number (2569031640).
Almost surely, 230143304312 is an apocalyptic number.
It is an amenable number.
30143304312 is an abundant number, since it is smaller than the sum of its proper divisors (52065708168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30143304312 is a wasteful number, since it uses less digits than its factorization.
30143304312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114179203 (or 114179199 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 30143304312 its reverse (21340334103), we get a palindrome (51483638415).
The spelling of 30143304312 in words is "thirty billion, one hundred forty-three million, three hundred four thousand, three hundred twelve".
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