Base | Representation |
---|---|
bin | 11101111011001110100011… |
… | …011011001011101011001001 |
3 | 122021000010020212011022122202 |
4 | 131323032203123023223021 |
5 | 114222323243203210431 |
6 | 1143530212251525545 |
7 | 36502520233105433 |
oct | 3573164333135311 |
9 | 567003225138582 |
10 | 131613424663241 |
11 | 38a32a38081924 |
12 | 129176917598b5 |
13 | 5859128848331 |
14 | 24701a3799653 |
15 | 10338795158cb |
hex | 77b3a36cbac9 |
131613424663241 has 8 divisors (see below), whose sum is σ = 135171528700104. Its totient is φ = 128055372439680.
The previous prime is 131613424663213. The next prime is 131613424663249. The reversal of 131613424663241 is 142366424316131.
It can be written as a sum of positive squares in 4 ways, for example, as 105109245198400 + 26504179464841 = 10252280^2 + 5148221^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131613424663241 - 26 = 131613424663177 is a prime.
It is a super-2 number, since 2×1316134246632412 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131613424663249) 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, 7776770 + ... + 17991803.
It is an arithmetic number, because the mean of its divisors is an integer number (16896441087513).
Almost surely, 2131613424663241 is an apocalyptic number.
It is an amenable number.
131613424663241 is a deficient number, since it is larger than the sum of its proper divisors (3558104036863).
131613424663241 is a wasteful number, since it uses less digits than its factorization.
131613424663241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25906651.
The product of its digits is 1492992, while the sum is 47.
Adding to 131613424663241 its reverse (142366424316131), we get a palindrome (273979848979372).
The spelling of 131613424663241 in words is "one hundred thirty-one trillion, six hundred thirteen billion, four hundred twenty-four million, six hundred sixty-three thousand, two hundred forty-one".
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