Base | Representation |
---|---|
bin | 1111100000000… |
… | …00000000000000 |
3 | 100001122212121101 |
4 | 13300000000000 |
5 | 231241222144 |
6 | 20522504144 |
7 | 3136116016 |
oct | 760000000 |
9 | 301585541 |
10 | 130023424 |
11 | 67438583 |
12 | 37665054 |
13 | 20c2634b |
14 | 133a88b6 |
15 | b6356d4 |
hex | 7c00000 |
130023424 has 46 divisors (see below), whose sum is σ = 268435424. Its totient is φ = 62914560.
The previous prime is 130023407. The next prime is 130023431. The reversal of 130023424 is 424320031.
It is a nialpdrome in base 2 and base 8.
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4194289 + ... + 4194319.
Almost surely, 2130023424 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 130023424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134217712).
130023424 is an abundant number, since it is smaller than the sum of its proper divisors (138412000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130023424 is an frugal number, since it uses more digits than its factorization.
130023424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75 (or 33 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 130023424 is about 11402.7814150759. The cubic root of 130023424 is about 506.6101260391.
Adding to 130023424 its reverse (424320031), we get a palindrome (554343455).
The spelling of 130023424 in words is "one hundred thirty million, twenty-three thousand, four hundred twenty-four".
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