Base | Representation |
---|---|
bin | 10010101000110101… |
… | …101000100011010011 |
3 | 1220122201001101200021 |
4 | 102220311220203103 |
5 | 311441200014303 |
6 | 13105453204311 |
7 | 1305633311362 |
oct | 225065504323 |
9 | 56581041607 |
10 | 20012501203 |
11 | 853a5983a2 |
12 | 3a66190697 |
13 | 1b6c163ab6 |
14 | d7bc1b7d9 |
15 | 7c1dd9ebd |
hex | 4a8d688d3 |
20012501203 has 8 divisors (see below), whose sum is σ = 21195032000. Its totient is φ = 18842894568.
The previous prime is 20012501191. The next prime is 20012501291. The reversal of 20012501203 is 30210521002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20012501203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20012561203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3227853 + ... + 3234046.
It is an arithmetic number, because the mean of its divisors is an integer number (2649379000).
Almost surely, 220012501203 is an apocalyptic number.
20012501203 is a deficient number, since it is larger than the sum of its proper divisors (1182530797).
20012501203 is a wasteful number, since it uses less digits than its factorization.
20012501203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6462081.
The product of its (nonzero) digits is 120, while the sum is 16.
The spelling of 20012501203 in words is "twenty billion, twelve million, five hundred one thousand, two hundred three".
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