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12430031242 = 243144535247
BaseRepresentation
bin10111001001110001…
…10011100110001010
31012002021022000022111
423210320303212022
5200424041444432
65413230412534
7620012344066
oct134470634612
935067260274
1012430031242
1152a94794a2
1224aa96114a
13123128c395
1485cb9caa6
154cb3b7347
hex2e4e3398a

12430031242 has 8 divisors (see below), whose sum is σ = 19078652736. Its totient is φ = 6070480332.

The previous prime is 12430031239. The next prime is 12430031291. The reversal of 12430031242 is 24213003421.

12430031242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 72267538 + ... + 72267709.

It is an arithmetic number, because the mean of its divisors is an integer number (2384831592).

Almost surely, 212430031242 is an apocalyptic number.

12430031242 is a deficient number, since it is larger than the sum of its proper divisors (6648621494).

12430031242 is a wasteful number, since it uses less digits than its factorization.

12430031242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144535292.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12430031242 its reverse (24213003421), we get a palindrome (36643034663).

The spelling of 12430031242 in words is "twelve billion, four hundred thirty million, thirty-one thousand, two hundred forty-two".

Divisors: 1 2 43 86 144535247 289070494 6215015621 12430031242