Base | Representation |
---|---|
bin | 111101000110001010… |
… | …0100000000011011101 |
3 | 110112122202222022020202 |
4 | 1322030110200003131 |
5 | 4122201010001133 |
6 | 140135055553245 |
7 | 12323223553451 |
oct | 1721424400335 |
9 | 415582868222 |
10 | 131203203293 |
11 | 50708873618 |
12 | 2151782b825 |
13 | c4ac24b046 |
14 | 64c91d0661 |
15 | 362d7d32e8 |
hex | 1e8c5200dd |
131203203293 has 2 divisors, whose sum is σ = 131203203294. Its totient is φ = 131203203292.
The previous prime is 131203203251. The next prime is 131203203361. The reversal of 131203203293 is 392302302131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 121715858884 + 9487344409 = 348878^2 + 97403^2 .
It is a cyclic number.
It is not a de Polignac number, because 131203203293 - 210 = 131203202269 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131203208293) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65601601646 + 65601601647.
It is an arithmetic number, because the mean of its divisors is an integer number (65601601647).
Almost surely, 2131203203293 is an apocalyptic number.
It is an amenable number.
131203203293 is a deficient number, since it is larger than the sum of its proper divisors (1).
131203203293 is an equidigital number, since it uses as much as digits as its factorization.
131203203293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5832, while the sum is 29.
The spelling of 131203203293 in words is "one hundred thirty-one billion, two hundred three million, two hundred three thousand, two hundred ninety-three".
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