Base | Representation |
---|---|
bin | 111101000110111101… |
… | …0101110101111000001 |
3 | 110112201122101211022122 |
4 | 1322031322232233001 |
5 | 4122224340031423 |
6 | 140141454214025 |
7 | 12324000420230 |
oct | 1721572565701 |
9 | 415648354278 |
10 | 131230002113 |
11 | 50721a07a01 |
12 | 215247b4315 |
13 | c4b4971c32 |
14 | 64cc9a8b17 |
15 | 3630d288c8 |
hex | 1e8deaebc1 |
131230002113 has 16 divisors (see below), whose sum is σ = 158810014080. Its totient is φ = 105859097856.
The previous prime is 131230002107. The next prime is 131230002133. The reversal of 131230002113 is 311200032131.
It is a cyclic number.
It is not a de Polignac number, because 131230002113 - 214 = 131229985729 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131230002091 and 131230002100.
It is not an unprimeable number, because it can be changed into a prime (131230002133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2420183 + ... + 2473811.
It is an arithmetic number, because the mean of its divisors is an integer number (9925625880).
Almost surely, 2131230002113 is an apocalyptic number.
It is an amenable number.
131230002113 is a deficient number, since it is larger than the sum of its proper divisors (27580011967).
131230002113 is a wasteful number, since it uses less digits than its factorization.
131230002113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74216.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 131230002113 its reverse (311200032131), we get a palindrome (442430034244).
The spelling of 131230002113 in words is "one hundred thirty-one billion, two hundred thirty million, two thousand, one hundred thirteen".
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