Search a number
-
+
12420303131342 = 246113471044611
BaseRepresentation
bin1011010010111101001111…
…0000011001001011001110
31121222100222021120102001202
42310233103300121023032
53111443240100200332
642225450344505502
72421223455461201
oct264572360311316
947870867512052
1012420303131342
113a5946a359297
12148717a47b292
136c12ca45b9c2
1430d208413938
15168131eb1a62
hexb4bd3c192ce

12420303131342 has 8 divisors (see below), whose sum is σ = 18670867832232. Its totient is φ = 6196680520600.

The previous prime is 12420303131311. The next prime is 12420303131347. The reversal of 12420303131342 is 24313130302421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420303131347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6735521384 + ... + 6735523227.

It is an arithmetic number, because the mean of its divisors is an integer number (2333858479029).

Almost surely, 212420303131342 is an apocalyptic number.

12420303131342 is a deficient number, since it is larger than the sum of its proper divisors (6250564700890).

12420303131342 is a wasteful number, since it uses less digits than its factorization.

12420303131342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13471045074.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 12420303131342 its reverse (24313130302421), we get a palindrome (36733433433763).

The spelling of 12420303131342 in words is "twelve trillion, four hundred twenty billion, three hundred three million, one hundred thirty-one thousand, three hundred forty-two".

Divisors: 1 2 461 922 13471044611 26942089222 6210151565671 12420303131342