Base | Representation |
---|---|
bin | 1001000110111111001110… |
… | …01000101000101100111101 |
3 | 2121220222022110022122111001 |
4 | 10203133213020220230331 |
5 | 10111143110414131023 |
6 | 110334131254330301 |
7 | 4135133354136133 |
oct | 443374710505475 |
9 | 77828273278431 |
10 | 20031310302013 |
11 | 642325a4a539a |
12 | 22b6251359991 |
13 | b23c37c7cc6a |
14 | 4d3740709753 |
15 | 24b0d8a376ad |
hex | 1237e7228b3d |
20031310302013 has 8 divisors (see below), whose sum is σ = 20303739919232. Its totient is φ = 19760226016896.
The previous prime is 20031310302007. The next prime is 20031310302049. The reversal of 20031310302013 is 31020301313002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20031310302013 - 217 = 20031310170941 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20031310302413) 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, 336303045 + ... + 336362602.
It is an arithmetic number, because the mean of its divisors is an integer number (2537967489904).
Almost surely, 220031310302013 is an apocalyptic number.
It is an amenable number.
20031310302013 is a deficient number, since it is larger than the sum of its proper divisors (272429617219).
20031310302013 is an equidigital number, since it uses as much as digits as its factorization.
20031310302013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 672666051.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 20031310302013 its reverse (31020301313002), we get a palindrome (51051611615015).
The spelling of 20031310302013 in words is "twenty trillion, thirty-one billion, three hundred ten million, three hundred two thousand, thirteen".
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