Base | Representation |
---|---|
bin | 1111100011111… |
… | …11001110100000 |
3 | 100002122100110010 |
4 | 13301333032200 |
5 | 231404411134 |
6 | 20542004520 |
7 | 3143416224 |
oct | 761771640 |
9 | 302570403 |
10 | 130544544 |
11 | 67764059 |
12 | 37876740 |
13 | 210795c0 |
14 | 134a2784 |
15 | b6d9ce9 |
hex | 7c7f3a0 |
130544544 has 96 divisors (see below), whose sum is σ = 381870720. Its totient is φ = 38771712.
The previous prime is 130544537. The next prime is 130544551. The reversal of 130544544 is 445445031.
It is an interprime number because it is at equal distance from previous prime (130544537) and next prime (130544551).
It is a tau number, because it is divible by the number of its divisors (96).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34389 + ... + 37995.
It is an arithmetic number, because the mean of its divisors is an integer number (3977820).
Almost surely, 2130544544 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 130544544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190935360).
130544544 is an abundant number, since it is smaller than the sum of its proper divisors (251326176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130544544 is a wasteful number, since it uses less digits than its factorization.
130544544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3662 (or 3654 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 30.
The square root of 130544544 is about 11425.6091303702. The cubic root of 130544544 is about 507.2860369459.
Adding to 130544544 its reverse (445445031), we get a palindrome (575989575).
The spelling of 130544544 in words is "one hundred thirty million, five hundred forty-four thousand, five hundred forty-four".
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