Base | Representation |
---|---|
bin | 111010101010111… |
… | …1010110001001100 |
3 | 12002012102022021112 |
4 | 1311111322301030 |
5 | 13012440230022 |
6 | 523203351152 |
7 | 66533334605 |
oct | 16525726114 |
9 | 5065368245 |
10 | 1968680012 |
11 | 9202a5482 |
12 | 46b3824b8 |
13 | 254b2c620 |
14 | 149664dac |
15 | b7c778e2 |
hex | 7557ac4c |
1968680012 has 24 divisors (see below), whose sum is σ = 3718512000. Its totient is φ = 906587136.
The previous prime is 1968679967. The next prime is 1968680027. The reversal of 1968680012 is 2100868691.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18812 + ... + 65507.
It is an arithmetic number, because the mean of its divisors is an integer number (154938000).
Almost surely, 21968680012 is an apocalyptic number.
It is an amenable number.
1968680012 is a deficient number, since it is larger than the sum of its proper divisors (1749831988).
1968680012 is a wasteful number, since it uses less digits than its factorization.
1968680012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84785 (or 84783 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 41.
The square root of 1968680012 is about 44369.8096908247. The cubic root of 1968680012 is about 1253.3096318955.
The spelling of 1968680012 in words is "one billion, nine hundred sixty-eight million, six hundred eighty thousand, twelve".
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