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12020044340442 = 234346589319149
BaseRepresentation
bin1010111011101010001001…
…1110010001110011011010
31120120002211120001002200210
42232322202132101303122
53033414022322343232
641321533201511550
72350263622052565
oct256724236216332
946502746032623
1012020044340442
113914743739516
1214216946425b6
13692640320868
142d7ab7b274dc
1515ca079e95cc
hexaeea2791cda

12020044340442 has 16 divisors (see below), whose sum is σ = 24599160511200. Its totient is φ = 3913502808432.

The previous prime is 12020044340441. The next prime is 12020044340449. The reversal of 12020044340442 is 24404344002021.

It is not an unprimeable number, because it can be changed into a prime (12020044340441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23294659317 + ... + 23294659832.

It is an arithmetic number, because the mean of its divisors is an integer number (1537447531950).

Almost surely, 212020044340442 is an apocalyptic number.

12020044340442 is an abundant number, since it is smaller than the sum of its proper divisors (12579116170758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12020044340442 is a wasteful number, since it uses less digits than its factorization.

12020044340442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46589319197.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 12020044340442 its reverse (24404344002021), we get a palindrome (36424388342463).

The spelling of 12020044340442 in words is "twelve trillion, twenty billion, forty-four million, three hundred forty thousand, four hundred forty-two".

Divisors: 1 2 3 6 43 86 129 258 46589319149 93178638298 139767957447 279535914894 2003340723407 4006681446814 6010022170221 12020044340442