Base | Representation |
---|---|
bin | 111101111011111… |
… | …0010111000101000 |
3 | 12100211112201021000 |
4 | 1323313302320220 |
5 | 13224011131122 |
6 | 542115315000 |
7 | 102333416562 |
oct | 17367627050 |
9 | 5324481230 |
10 | 2078223912 |
11 | 977115426 |
12 | 49bbaba60 |
13 | 2717351bb |
14 | 15a01c332 |
15 | c26b50ac |
hex | 7bdf2e28 |
2078223912 has 64 divisors (see below), whose sum is σ = 5791593600. Its totient is φ = 690491520.
The previous prime is 2078223887. The next prime is 2078223923. The reversal of 2078223912 is 2193228702.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51708 + ... + 82644.
It is an arithmetic number, because the mean of its divisors is an integer number (90493650).
Almost surely, 22078223912 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2078223912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2895796800).
2078223912 is an abundant number, since it is smaller than the sum of its proper divisors (3713369688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2078223912 is a wasteful number, since it uses less digits than its factorization.
2078223912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31263 (or 31253 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 2078223912 is about 45587.5411927426. The cubic root of 2078223912 is about 1276.1374265234.
The spelling of 2078223912 in words is "two billion, seventy-eight million, two hundred twenty-three thousand, nine hundred twelve".
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