Base | Representation |
---|---|
bin | 11101110010100110000100… |
… | …100110011110001110111111 |
3 | 122011220102001011010210102212 |
4 | 131302212010212132032333 |
5 | 114133113333210323203 |
6 | 1142353503324211035 |
7 | 36411616514036150 |
oct | 3562460446361677 |
9 | 564812034123385 |
10 | 131020202042303 |
11 | 388243a03aa552 |
12 | 12840714699a7b |
13 | 58151c90493c2 |
14 | 244d5a9681927 |
15 | 102320968a1d8 |
hex | 77298499e3bf |
131020202042303 has 8 divisors (see below), whose sum is σ = 149989881986208. Its totient is φ = 112113649154304.
The previous prime is 131020202042297. The next prime is 131020202042321. The reversal of 131020202042303 is 303240202020131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131020202042303 - 232 = 131015907075007 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 (131020202042383) 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, 15781759526 + ... + 15781767827.
It is an arithmetic number, because the mean of its divisors is an integer number (18748735248276).
Almost surely, 2131020202042303 is an apocalyptic number.
131020202042303 is a deficient number, since it is larger than the sum of its proper divisors (18969679943905).
131020202042303 is an equidigital number, since it uses as much as digits as its factorization.
131020202042303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31563527953.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 131020202042303 its reverse (303240202020131), we get a palindrome (434260404062434).
The spelling of 131020202042303 in words is "one hundred thirty-one trillion, twenty billion, two hundred two million, forty-two thousand, three hundred three".
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