Base | Representation |
---|---|
bin | 11101111000011011101101… |
… | …111100010100010100101111 |
3 | 122020022202121102101112211221 |
4 | 131320123231330110110233 |
5 | 114211202012220210322 |
6 | 1143302054105324211 |
7 | 36452611560541453 |
oct | 3570335574242457 |
9 | 566282542345757 |
10 | 131421401335087 |
11 | 389695599a5306 |
12 | 128a6421496667 |
13 | 5843ca5c92036 |
14 | 2464b88c2c663 |
15 | 102d88b4ce9c7 |
hex | 7786edf1452f |
131421401335087 has 2 divisors, whose sum is σ = 131421401335088. Its totient is φ = 131421401335086.
The previous prime is 131421401335061. The next prime is 131421401335181. The reversal of 131421401335087 is 780533104124131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 131421401335087 - 231 = 131419253851439 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131421401335027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65710700667543 + 65710700667544.
It is an arithmetic number, because the mean of its divisors is an integer number (65710700667544).
Almost surely, 2131421401335087 is an apocalyptic number.
131421401335087 is a deficient number, since it is larger than the sum of its proper divisors (1).
131421401335087 is an equidigital number, since it uses as much as digits as its factorization.
131421401335087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 241920, while the sum is 43.
The spelling of 131421401335087 in words is "one hundred thirty-one trillion, four hundred twenty-one billion, four hundred one million, three hundred thirty-five thousand, eighty-seven".
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