Base | Representation |
---|---|
bin | 110010001101101000… |
… | …0110001111001011001 |
3 | 101022022222010010000111 |
4 | 1210123100301321121 |
5 | 3231314340102123 |
6 | 121312004404321 |
7 | 10535111121121 |
oct | 1443320617131 |
9 | 338288103014 |
10 | 107831565913 |
11 | 41805120525 |
12 | 18a946a66a1 |
13 | a22619b206 |
14 | 530d201c81 |
15 | 2c11a6390d |
hex | 191b431e59 |
107831565913 has 12 divisors (see below), whose sum is σ = 117027297180. Its totient is φ = 99013176320.
The previous prime is 107831565893. The next prime is 107831565923. The reversal of 107831565913 is 319565138701.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 55407510544 + 52424055369 = 235388^2 + 228963^2 .
It is not a de Polignac number, because 107831565913 - 213 = 107831557721 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (107831565923) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1858108 + ... + 1915261.
It is an arithmetic number, because the mean of its divisors is an integer number (9752274765).
Almost surely, 2107831565913 is an apocalyptic number.
It is an amenable number.
107831565913 is a deficient number, since it is larger than the sum of its proper divisors (9195731267).
107831565913 is an equidigital number, since it uses as much as digits as its factorization.
107831565913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3773468 (or 3773427 counting only the distinct ones).
The product of its (nonzero) digits is 680400, while the sum is 49.
The spelling of 107831565913 in words is "one hundred seven billion, eight hundred thirty-one million, five hundred sixty-five thousand, nine hundred thirteen".
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