Base | Representation |
---|---|
bin | 10010110111101111… |
… | …11001000111010100 |
3 | 222011001212000211211 |
4 | 21123313321013110 |
5 | 131222104004413 |
6 | 4353153111204 |
7 | 506030512000 |
oct | 113367710724 |
9 | 28131760754 |
10 | 10131313108 |
11 | 4329953544 |
12 | 1b68b58504 |
13 | c55c75837 |
14 | 6c1785700 |
15 | 3e469a83d |
hex | 25bdf91d4 |
10131313108 has 48 divisors (see below), whose sum is σ = 20834352000. Its totient is φ = 4308769920.
The previous prime is 10131313099. The next prime is 10131313109. The reversal of 10131313108 is 80131313101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10131313109) 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, 151548 + ... + 207916.
It is an arithmetic number, because the mean of its divisors is an integer number (434049000).
Almost surely, 210131313108 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10131313108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10417176000).
10131313108 is an abundant number, since it is smaller than the sum of its proper divisors (10703038892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10131313108 is a wasteful number, since it uses less digits than its factorization.
10131313108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56525 (or 56509 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 22.
Adding to 10131313108 its reverse (80131313101), we get a palindrome (90262626209).
The spelling of 10131313108 in words is "ten billion, one hundred thirty-one million, three hundred thirteen thousand, one hundred eight".
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