Base | Representation |
---|---|
bin | 111011001001111011011… |
… | …1011111001111101111101 |
3 | 1001210020112002012210011220 |
4 | 1312103312323321331331 |
5 | 2031201143040214401 |
6 | 25142545540303553 |
7 | 1466250312310632 |
oct | 166236673717575 |
9 | 31706462183156 |
10 | 8130221023101 |
11 | 26550098a4291 |
12 | ab38366a1bb9 |
13 | 46c8a4503c98 |
14 | 20170d240189 |
15 | e17443d7336 |
hex | 764f6ef9f7d |
8130221023101 has 8 divisors (see below), whose sum is σ = 10840329192000. Its totient is φ = 5420130101472.
The previous prime is 8130221023079. The next prime is 8130221023121. The reversal of 8130221023101 is 1013201220318.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8130221023101 - 26 = 8130221023037 is a prime.
It is a super-2 number, since 2×81302210231012 (a number of 27 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8130221023121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3168601 + ... + 5128398.
It is an arithmetic number, because the mean of its divisors is an integer number (1355041149000).
Almost surely, 28130221023101 is an apocalyptic number.
It is an amenable number.
8130221023101 is a deficient number, since it is larger than the sum of its proper divisors (2710108168899).
8130221023101 is a wasteful number, since it uses less digits than its factorization.
8130221023101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8623635.
The product of its (nonzero) digits is 576, while the sum is 24.
Adding to 8130221023101 its reverse (1013201220318), we get a palindrome (9143422243419).
The spelling of 8130221023101 in words is "eight trillion, one hundred thirty billion, two hundred twenty-one million, twenty-three thousand, one hundred one".
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