Base | Representation |
---|---|
bin | 11110111111110101010… |
… | …011011001001000001101 |
3 | 21112122020000200212002211 |
4 | 132333311103121020031 |
5 | 234344443311004401 |
6 | 4310322100350421 |
7 | 306616315626211 |
oct | 36776523311015 |
9 | 7478200625084 |
10 | 2130124313101 |
11 | 751420708214 |
12 | 2a49ba3a5411 |
13 | 125b40113045 |
14 | 75154678941 |
15 | 3a621be9951 |
hex | 1eff54d920d |
2130124313101 has 8 divisors (see below), whose sum is σ = 2130982646904. Its totient is φ = 2129266091520.
The previous prime is 2130124313081. The next prime is 2130124313113. The reversal of 2130124313101 is 1013134210312.
It can be written as a sum of positive squares in 4 ways, for example, as 1284257829001 + 845866484100 = 1133251^2 + 919710^2 .
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 2130124313101 - 219 = 2130123788813 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 (2130124313131) 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, 72693285 + ... + 72722581.
It is an arithmetic number, because the mean of its divisors is an integer number (266372830863).
Almost surely, 22130124313101 is an apocalyptic number.
It is an amenable number.
2130124313101 is a deficient number, since it is larger than the sum of its proper divisors (858333803).
2130124313101 is a wasteful number, since it uses less digits than its factorization.
2130124313101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56111.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 2130124313101 its reverse (1013134210312), we get a palindrome (3143258523413).
The spelling of 2130124313101 in words is "two trillion, one hundred thirty billion, one hundred twenty-four million, three hundred thirteen thousand, one hundred one".
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