Base | Representation |
---|---|
bin | 1000011011000… |
… | …11101101100100 |
3 | 11220222001102121 |
4 | 10031203231210 |
5 | 121042204022 |
6 | 11002315324 |
7 | 1515424420 |
oct | 415435544 |
9 | 156861377 |
10 | 70663012 |
11 | 36984192 |
12 | 1b7b8b44 |
13 | 11841544 |
14 | 9555b80 |
15 | 630c2c7 |
hex | 4363b64 |
70663012 has 24 divisors (see below), whose sum is σ = 145886720. Its totient is φ = 29306880.
The previous prime is 70663009. The next prime is 70663027. The reversal of 70663012 is 21036607.
It is a super-2 number, since 2×706630122 = 9986522529824288, which contains 22 as substring.
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, 39837 + ... + 41572.
Almost surely, 270663012 is an apocalyptic number.
It is an amenable number.
70663012 is an abundant number, since it is smaller than the sum of its proper divisors (75223708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70663012 is a wasteful number, since it uses less digits than its factorization.
70663012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81451 (or 81449 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 25.
The square root of 70663012 is about 8406.1294303621. The cubic root of 70663012 is about 413.4256155959.
Adding to 70663012 its reverse (21036607), we get a palindrome (91699619).
The spelling of 70663012 in words is "seventy million, six hundred sixty-three thousand, twelve".
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