Base | Representation |
---|---|
bin | 1111100100101… |
… | …10101001111110 |
3 | 100002211020002102 |
4 | 13302112221332 |
5 | 231420444020 |
6 | 20544025102 |
7 | 3144266060 |
oct | 762265176 |
9 | 302736072 |
10 | 130640510 |
11 | 6781a170 |
12 | 37902192 |
13 | 210b11a0 |
14 | 134c9730 |
15 | b708475 |
hex | 7c96a7e |
130640510 has 128 divisors (see below), whose sum is σ = 326688768. Its totient is φ = 36288000.
The previous prime is 130640509. The next prime is 130640513. The reversal of 130640510 is 15046031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130640513) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 310100 + ... + 310520.
It is an arithmetic number, because the mean of its divisors is an integer number (2552256).
Almost surely, 2130640510 is an apocalyptic number.
130640510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130640510 is an abundant number, since it is smaller than the sum of its proper divisors (196048258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130640510 is a wasteful number, since it uses less digits than its factorization.
130640510 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 490.
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 130640510 is about 11429.8079598915. The cubic root of 130640510 is about 507.4103119918.
Adding to 130640510 its reverse (15046031), we get a palindrome (145686541).
The spelling of 130640510 in words is "one hundred thirty million, six hundred forty thousand, five hundred ten".
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