Base | Representation |
---|---|
bin | 1111100001011… |
… | …11001111110000 |
3 | 100002000201001210 |
4 | 13300233033300 |
5 | 231313420234 |
6 | 20531000120 |
7 | 3140553144 |
oct | 760571760 |
9 | 302021053 |
10 | 130216944 |
11 | 6755aa10 |
12 | 37739040 |
13 | 20c93460 |
14 | 13419224 |
15 | b672be9 |
hex | 7c2f3f0 |
130216944 has 160 divisors (see below), whose sum is σ = 402974208. Its totient is φ = 35712000.
The previous prime is 130216921. The next prime is 130216963. The reversal of 130216944 is 449612031.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418549 + ... + 418859.
Almost surely, 2130216944 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 130216944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201487104).
130216944 is an abundant number, since it is smaller than the sum of its proper divisors (272757264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130216944 is a wasteful number, since it uses less digits than its factorization.
130216944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 407 (or 401 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 130216944 is about 11411.2639089629. The cubic root of 130216944 is about 506.8613387052.
Adding to 130216944 its reverse (449612031), we get a palindrome (579828975).
The spelling of 130216944 in words is "one hundred thirty million, two hundred sixteen thousand, nine hundred forty-four".
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