Base | Representation |
---|---|
bin | 1111100001001… |
… | …11110011010000 |
3 | 100001222011020022 |
4 | 13300213303100 |
5 | 231311431243 |
6 | 20530203012 |
7 | 3140365220 |
oct | 760476320 |
9 | 301864208 |
10 | 130186448 |
11 | 6753a007 |
12 | 37723468 |
13 | 20c82602 |
14 | 1340c080 |
15 | b668b68 |
hex | 7c27cd0 |
130186448 has 40 divisors (see below), whose sum is σ = 292237248. Its totient is φ = 55026432.
The previous prime is 130186447. The next prime is 130186451. The reversal of 130186448 is 844681031.
It is a super-2 number, since 2×1301864482 = 33897022485713408, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130186447) 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, 215 + ... + 16137.
Almost surely, 2130186448 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 130186448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146118624).
130186448 is an abundant number, since it is smaller than the sum of its proper divisors (162050800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130186448 is a wasteful number, since it uses less digits than its factorization.
130186448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16011 (or 16005 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 35.
The square root of 130186448 is about 11409.9276071323. The cubic root of 130186448 is about 506.8217676895.
The spelling of 130186448 in words is "one hundred thirty million, one hundred eighty-six thousand, four hundred forty-eight".
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