Base | Representation |
---|---|
bin | 1000010110101… |
… | …00111000111100 |
3 | 11212212022221221 |
4 | 10023110320330 |
5 | 120414444022 |
6 | 10542003124 |
7 | 1510440034 |
oct | 413247074 |
9 | 155768857 |
10 | 70078012 |
11 | 36614714 |
12 | 1b5764a4 |
13 | 116981a4 |
14 | 94428c4 |
15 | 6243cc7 |
hex | 42d4e3c |
70078012 has 24 divisors (see below), whose sum is σ = 130437216. Its totient is φ = 32828928.
The previous prime is 70077983. The next prime is 70078027. The reversal of 70078012 is 21087007.
It is a happy number.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 13633 + ... + 18055.
It is an arithmetic number, because the mean of its divisors is an integer number (5434884).
Almost surely, 270078012 is an apocalyptic number.
It is an amenable number.
70078012 is a deficient number, since it is larger than the sum of its proper divisors (60359204).
70078012 is a wasteful number, since it uses less digits than its factorization.
70078012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4677 (or 4675 counting only the distinct ones).
The product of its (nonzero) digits is 784, while the sum is 25.
The square root of 70078012 is about 8371.2610758475. The cubic root of 70078012 is about 412.2815730030.
The spelling of 70078012 in words is "seventy million, seventy-eight thousand, twelve".
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