Base | Representation |
---|---|
bin | 1011110100101110011… |
… | …0010100100010011011 |
3 | 201102022121022121001011 |
4 | 2331023212110202123 |
5 | 11312003220042312 |
6 | 233152323234351 |
7 | 20450536544254 |
oct | 2751346244233 |
9 | 642277277034 |
10 | 203131799707 |
11 | 79169672721 |
12 | 334505189b7 |
13 | 162030cc3b5 |
14 | 9b8ddd5b2b |
15 | 543d39eda7 |
hex | 2f4b99489b |
203131799707 has 16 divisors (see below), whose sum is σ = 214416256000. Its totient is φ = 191907201024.
The previous prime is 203131799701. The next prime is 203131799729. The reversal of 203131799707 is 707997131302.
It is a cyclic number.
It is not a de Polignac number, because 203131799707 - 219 = 203131275419 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (203131799701) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16523419 + ... + 16535707.
It is an arithmetic number, because the mean of its divisors is an integer number (13401016000).
Almost surely, 2203131799707 is an apocalyptic number.
203131799707 is a deficient number, since it is larger than the sum of its proper divisors (11284456293).
203131799707 is a wasteful number, since it uses less digits than its factorization.
203131799707 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14650.
The product of its (nonzero) digits is 500094, while the sum is 49.
The spelling of 203131799707 in words is "two hundred three billion, one hundred thirty-one million, seven hundred ninety-nine thousand, seven hundred seven".
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