Base | Representation |
---|---|
bin | 1111011111111… |
… | …11011100000100 |
3 | 100001122202110012 |
4 | 13233333130010 |
5 | 231241133444 |
6 | 20522445352 |
7 | 3136106222 |
oct | 757773404 |
9 | 301582405 |
10 | 130021124 |
11 | 67436882 |
12 | 37663858 |
13 | 20c2529c |
14 | 133a7b12 |
15 | b634b9e |
hex | 7bff704 |
130021124 has 6 divisors (see below), whose sum is σ = 227536974. Its totient is φ = 65010560.
The previous prime is 130021109. The next prime is 130021153. The reversal of 130021124 is 421120031.
It can be written as a sum of positive squares in only one way, i.e., 114276100 + 15745024 = 10690^2 + 3968^2 .
It is a junction number, because it is equal to n+sod(n) for n = 130021099 and 130021108.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16252637 + ... + 16252644.
It is an arithmetic number, because the mean of its divisors is an integer number (37922829).
Almost surely, 2130021124 is an apocalyptic number.
It is an amenable number.
130021124 is a deficient number, since it is larger than the sum of its proper divisors (97515850).
130021124 is a wasteful number, since it uses less digits than its factorization.
130021124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32505285 (or 32505283 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 130021124 is about 11402.6805620433. The cubic root of 130021124 is about 506.6071388590.
Adding to 130021124 its reverse (421120031), we get a palindrome (551141155).
The spelling of 130021124 in words is "one hundred thirty million, twenty-one thousand, one hundred twenty-four".
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