Base | Representation |
---|---|
bin | 11100000100101011… |
… | …001011110011011110 |
3 | 2212210201202020111112 |
4 | 130010223023303132 |
5 | 443213124403403 |
6 | 21503025222022 |
7 | 2114655655646 |
oct | 340453136336 |
9 | 85721666445 |
10 | 30143200478 |
11 | 11869061736 |
12 | 5a12a91912 |
13 | 2ac4c53101 |
14 | 165d483526 |
15 | bb64b39d8 |
hex | 704acbcde |
30143200478 has 32 divisors (see below), whose sum is σ = 46925267328. Its totient is φ = 14510340000.
The previous prime is 30143200453. The next prime is 30143200481. The reversal of 30143200478 is 87400234103.
It is a super-2 number, since 2×301432004782 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9270353 + ... + 9273603.
It is an arithmetic number, because the mean of its divisors is an integer number (1466414604).
Almost surely, 230143200478 is an apocalyptic number.
30143200478 is a deficient number, since it is larger than the sum of its proper divisors (16782066850).
30143200478 is a wasteful number, since it uses less digits than its factorization.
30143200478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4568.
The product of its (nonzero) digits is 16128, while the sum is 32.
The spelling of 30143200478 in words is "thirty billion, one hundred forty-three million, two hundred thousand, four hundred seventy-eight".
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