Base | Representation |
---|---|
bin | 11101111000001011100110… |
… | …110101000000011111011101 |
3 | 122020021002221210211211010011 |
4 | 131320023212311000133131 |
5 | 114210411100114443044 |
6 | 1143250113335043221 |
7 | 36451430101543432 |
oct | 3570134665003735 |
9 | 566232853754104 |
10 | 131404102109149 |
11 | 38962191a40871 |
12 | 128a2bb3b10511 |
13 | 5842479cb227c |
14 | 2463dc74dbb89 |
15 | 102d1c78ed134 |
hex | 7782e6d407dd |
131404102109149 has 2 divisors, whose sum is σ = 131404102109150. Its totient is φ = 131404102109148.
The previous prime is 131404102109117. The next prime is 131404102109153. The reversal of 131404102109149 is 941901201404131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 130995052324249 + 409049784900 = 11445307^2 + 639570^2 .
It is an emirp because it is prime and its reverse (941901201404131) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 131404102109149 - 25 = 131404102109117 is a prime.
It is a super-2 number, since 2×1314041021091492 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131404102409149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65702051054574 + 65702051054575.
It is an arithmetic number, because the mean of its divisors is an integer number (65702051054575).
Almost surely, 2131404102109149 is an apocalyptic number.
It is an amenable number.
131404102109149 is a deficient number, since it is larger than the sum of its proper divisors (1).
131404102109149 is an equidigital number, since it uses as much as digits as its factorization.
131404102109149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 31104, while the sum is 40.
The spelling of 131404102109149 in words is "one hundred thirty-one trillion, four hundred four billion, one hundred two million, one hundred nine thousand, one hundred forty-nine".
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