Base | Representation |
---|---|
bin | 1111100100101… |
… | …00001010111010 |
3 | 100002210201010101 |
4 | 13302110022322 |
5 | 231420132310 |
6 | 20543510014 |
7 | 3144224305 |
oct | 762241272 |
9 | 302721111 |
10 | 130630330 |
11 | 67812556 |
12 | 378b830a |
13 | 210a966c |
14 | 134c5b3c |
15 | b70543a |
hex | 7c942ba |
130630330 has 16 divisors (see below), whose sum is σ = 235595304. Its totient is φ = 52149760.
The previous prime is 130630327. The next prime is 130630333. The reversal of 130630330 is 33036031.
It is an interprime number because it is at equal distance from previous prime (130630327) and next prime (130630333).
It can be written as a sum of positive squares in 4 ways, for example, as 85914361 + 44715969 = 9269^2 + 6687^2 .
It is a junction number, because it is equal to n+sod(n) for n = 130630298 and 130630307.
It is not an unprimeable number, because it can be changed into a prime (130630333) 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, 7327 + ... + 17746.
Almost surely, 2130630330 is an apocalyptic number.
130630330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130630330 is a deficient number, since it is larger than the sum of its proper divisors (104964974).
130630330 is a wasteful number, since it uses less digits than its factorization.
130630330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25601.
The product of its (nonzero) digits is 486, while the sum is 19.
The square root of 130630330 is about 11429.3626243986. The cubic root of 130630330 is about 507.3971318760.
Adding to 130630330 its reverse (33036031), we get a palindrome (163666361).
The spelling of 130630330 in words is "one hundred thirty million, six hundred thirty thousand, three hundred thirty".
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