Search a number
-
+
12144130 = 251214413
BaseRepresentation
bin101110010100…
…111000000010
3211211222121121
4232110320002
511102103010
61112142454
7205136425
oct56247002
924758547
1012144130
116945079
124097a2a
13269279b
1418819bc
1510ed3da
hexb94e02

12144130 has 8 divisors (see below), whose sum is σ = 21859452. Its totient is φ = 4857648.

The previous prime is 12144113. The next prime is 12144131. The reversal of 12144130 is 3144121.

It can be written as a sum of positive squares in 2 ways, for example, as 10949481 + 1194649 = 3309^2 + 1093^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12144131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607197 + ... + 607216.

Almost surely, 212144130 is an apocalyptic number.

12144130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12144130 is a deficient number, since it is larger than the sum of its proper divisors (9715322).

12144130 is a wasteful number, since it uses less digits than its factorization.

12144130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214420.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 12144130 is about 3484.8428945937. The cubic root of 12144130 is about 229.8558012327.

Adding to 12144130 its reverse (3144121), we get a palindrome (15288251).

Subtracting from 12144130 its reverse (3144121), we obtain a palindrome (9000009).

The spelling of 12144130 in words is "twelve million, one hundred forty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 1214413 2428826 6072065 12144130