Base | Representation |
---|---|
bin | 10110110000101110… |
… | …10111111100000000 |
3 | 1011112121222022010220 |
4 | 23120113113330000 |
5 | 200011301044413 |
6 | 5340323423040 |
7 | 611551532001 |
oct | 133027277400 |
9 | 34477868126 |
10 | 12219940608 |
11 | 5200924277 |
12 | 2450524a80 |
13 | 11c98b11b5 |
14 | 83cd111a8 |
15 | 4b7c18223 |
hex | 2d85d7f00 |
12219940608 has 36 divisors (see below), whose sum is σ = 32522864808. Its totient is φ = 4073313280.
The previous prime is 12219940547. The next prime is 12219940613. The reversal of 12219940608 is 80604991221.
12219940608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 12219940608.
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 7954923 + ... + 7956458.
Almost surely, 212219940608 is an apocalyptic number.
It is an amenable number.
12219940608 is an abundant number, since it is smaller than the sum of its proper divisors (20302924200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12219940608 is an equidigital number, since it uses as much as digits as its factorization.
12219940608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15911400 (or 15911386 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 42.
The spelling of 12219940608 in words is "twelve billion, two hundred nineteen million, nine hundred forty thousand, six hundred eight".
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