Base | Representation |
---|---|
bin | 1111100010010… |
… | …10111110101010 |
3 | 100002020110212222 |
4 | 13301022332222 |
5 | 231331034123 |
6 | 20533234042 |
7 | 3141535262 |
oct | 761127652 |
9 | 302213788 |
10 | 130330538 |
11 | 67628298 |
12 | 37792922 |
13 | 21003080 |
14 | 134487a2 |
15 | b6966c8 |
hex | 7c4afaa |
130330538 has 16 divisors (see below), whose sum is σ = 221615520. Its totient is φ = 56986416.
The previous prime is 130330531. The next prime is 130330547. The reversal of 130330538 is 835033031.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is not an unprimeable number, because it can be changed into a prime (130330531) 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, 131420 + ... + 132407.
It is an arithmetic number, because the mean of its divisors is an integer number (13850970).
Almost surely, 2130330538 is an apocalyptic number.
130330538 is a deficient number, since it is larger than the sum of its proper divisors (91284982).
130330538 is a wasteful number, since it uses less digits than its factorization.
130330538 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263861.
The product of its (nonzero) digits is 3240, while the sum is 26.
The square root of 130330538 is about 11416.2400990869. The cubic root of 130330538 is about 507.0086817239.
Adding to 130330538 its reverse (835033031), we get a palindrome (965363569).
The spelling of 130330538 in words is "one hundred thirty million, three hundred thirty thousand, five hundred thirty-eight".
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