Search a number
-
+
12024021530 = 251202402153
BaseRepresentation
bin10110011001011000…
…00000001000011010
31011000222022120200202
423030230000020122
5144111122142110
65305044302202
7603652332233
oct131454001032
934028276622
1012024021530
115110279384
1223b69a1962
131198125551
14820cb208a
154a59180a5
hex2ccb0021a

12024021530 has 8 divisors (see below), whose sum is σ = 21643238772. Its totient is φ = 4809608608.

The previous prime is 12024021521. The next prime is 12024021533. The reversal of 12024021530 is 3512042021.

It can be written as a sum of positive squares in 2 ways, for example, as 11687555881 + 336465649 = 108109^2 + 18343^2 .

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 (12024021533) 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, 601201067 + ... + 601201086.

Almost surely, 212024021530 is an apocalyptic number.

12024021530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12024021530 is a deficient number, since it is larger than the sum of its proper divisors (9619217242).

12024021530 is a wasteful number, since it uses less digits than its factorization.

12024021530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202402160.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12024021530 its reverse (3512042021), we get a palindrome (15536063551).

The spelling of 12024021530 in words is "twelve billion, twenty-four million, twenty-one thousand, five hundred thirty".

Divisors: 1 2 5 10 1202402153 2404804306 6012010765 12024021530