Base | Representation |
---|---|
bin | 1111100001100… |
… | …10011100001110 |
3 | 100002001101000110 |
4 | 13300302130032 |
5 | 231314330110 |
6 | 20531140450 |
7 | 3140636250 |
oct | 760623416 |
9 | 302041013 |
10 | 130230030 |
11 | 67569827 |
12 | 37744726 |
13 | 20c993b8 |
14 | 1341dcd0 |
15 | b676a20 |
hex | 7c3270e |
130230030 has 64 divisors (see below), whose sum is σ = 378224640. Its totient is φ = 28015104.
The previous prime is 130230019. The next prime is 130230053. The reversal of 130230030 is 30032031.
It is a happy number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 130229988 and 130230015.
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, 14670 + ... + 21809.
It is an arithmetic number, because the mean of its divisors is an integer number (5909760).
Almost surely, 2130230030 is an apocalyptic number.
130230030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130230030 is an abundant number, since it is smaller than the sum of its proper divisors (247994610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130230030 is a wasteful number, since it uses less digits than its factorization.
130230030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36513.
The product of its (nonzero) digits is 54, while the sum is 12.
The square root of 130230030 is about 11411.8372753908. The cubic root of 130230030 is about 506.8783169496.
Adding to 130230030 its reverse (30032031), we get a palindrome (160262061).
The spelling of 130230030 in words is "one hundred thirty million, two hundred thirty thousand, thirty".
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