Base | Representation |
---|---|
bin | 1001000111100000000100… |
… | …10010001110001110000000 |
3 | 2121222122211111101010001000 |
4 | 10203300002102032032000 |
5 | 10111440220042401432 |
6 | 110350205233412000 |
7 | 4136326364240202 |
oct | 443600222161600 |
9 | 77878744333030 |
10 | 20048945668992 |
11 | 642a78a178649 |
12 | 22b975340a000 |
13 | b257b87a2a56 |
14 | 4d453493a772 |
15 | 24b7bbdb657c |
hex | 123c0248e380 |
20048945668992 has 128 divisors (see below), whose sum is σ = 59782259527200. Its totient is φ = 6614085058560.
The previous prime is 20048945668949. The next prime is 20048945669021. The reversal of 20048945668992 is 29986654984002.
20048945668992 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 8 + 9 + 456 + 6 + 89 + 92 = 666.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a self number, because there is not a number n which added to its sum of digits gives 20048945668992.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29567859 + ... + 30238322.
Almost surely, 220048945668992 is an apocalyptic number.
It is an amenable number.
20048945668992 is an abundant number, since it is smaller than the sum of its proper divisors (39733313858208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20048945668992 is an equidigital number, since it uses as much as digits as its factorization.
20048945668992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59806301 (or 59806283 counting only the distinct ones).
The product of its (nonzero) digits is 537477120, while the sum is 72.
The spelling of 20048945668992 in words is "twenty trillion, forty-eight billion, nine hundred forty-five million, six hundred sixty-eight thousand, nine hundred ninety-two".
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