Base | Representation |
---|---|
bin | 11101110111011001100110… |
… | …110001010001111000101101 |
3 | 122020001222101012021100120122 |
4 | 131313121212301101320231 |
5 | 114204021121443244441 |
6 | 1143205314105254325 |
7 | 36444516464516336 |
oct | 3567314661217055 |
9 | 566058335240518 |
10 | 131350414040621 |
11 | 389414414782a6 |
12 | 1289470ba943a5 |
13 | 583a3a2138699 |
14 | 246157305528d |
15 | 102bad439c34b |
hex | 777666c51e2d |
131350414040621 has 4 divisors (see below), whose sum is σ = 131470588254012. Its totient is φ = 131230239827232.
The previous prime is 131350414040603. The next prime is 131350414040717. The reversal of 131350414040621 is 126040414053131.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 117905827818025 + 13444586222596 = 10858445^2 + 3666686^2 .
It is a cyclic number.
It is not a de Polignac number, because 131350414040621 - 218 = 131350413778477 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 (131350413040621) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60087105056 + ... + 60087107241.
It is an arithmetic number, because the mean of its divisors is an integer number (32867647063503).
Almost surely, 2131350414040621 is an apocalyptic number.
It is an amenable number.
131350414040621 is a deficient number, since it is larger than the sum of its proper divisors (120174213391).
131350414040621 is a wasteful number, since it uses less digits than its factorization.
131350414040621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120174213390.
The product of its (nonzero) digits is 34560, while the sum is 35.
Adding to 131350414040621 its reverse (126040414053131), we get a palindrome (257390828093752).
The spelling of 131350414040621 in words is "one hundred thirty-one trillion, three hundred fifty billion, four hundred fourteen million, forty thousand, six hundred twenty-one".
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