Base | Representation |
---|---|
bin | 1001011001011… |
… | …10110101000100 |
3 | 12111100020022021 |
4 | 10230232311010 |
5 | 130140210022 |
6 | 11453412524 |
7 | 1645041454 |
oct | 454566504 |
9 | 174306267 |
10 | 78835012 |
11 | 40555a03 |
12 | 2249a144 |
13 | 13443049 |
14 | a681d64 |
15 | 6dc37c7 |
hex | 4b2ed44 |
78835012 has 12 divisors (see below), whose sum is σ = 141690220. Its totient is φ = 38352096.
The previous prime is 78834991. The next prime is 78835037. The reversal of 78835012 is 21053887.
It can be written as a sum of positive squares in 2 ways, for example, as 34292736 + 44542276 = 5856^2 + 6674^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266187 + ... + 266482.
Almost surely, 278835012 is an apocalyptic number.
It is an amenable number.
78835012 is a deficient number, since it is larger than the sum of its proper divisors (62855208).
78835012 is a wasteful number, since it uses less digits than its factorization.
78835012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 532710 (or 532708 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 34.
The square root of 78835012 is about 8878.9082662228. The cubic root of 78835012 is about 428.7851268441.
Adding to 78835012 its reverse (21053887), we get a palindrome (99888899).
The spelling of 78835012 in words is "seventy-eight million, eight hundred thirty-five thousand, twelve".
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