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143421342020 = 22511651915191
BaseRepresentation
bin1000010110010010010…
…1000000000101000100
3111201012021120001200022
42011210211000011010
54322211330421040
6145515321034312
713235054202245
oct2054445000504
9451167501608
10143421342020
1155908677030
1223967625998
13106a864b028
146d27b92ccc
153ae62926b5
hex2164940144

143421342020 has 24 divisors (see below), whose sum is σ = 328565256768. Its totient is φ = 52153215200.

The previous prime is 143421342013. The next prime is 143421342037. The reversal of 143421342020 is 20243124341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325957376 + ... + 325957815.

It is an arithmetic number, because the mean of its divisors is an integer number (13690219032).

Almost surely, 2143421342020 is an apocalyptic number.

143421342020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143421342020 is an abundant number, since it is smaller than the sum of its proper divisors (185143914748).

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

143421342020 is a wasteful number, since it uses less digits than its factorization.

143421342020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651915211 (or 651915209 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 143421342020 its reverse (20243124341), we get a palindrome (163664466361).

The spelling of 143421342020 in words is "one hundred forty-three billion, four hundred twenty-one million, three hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 651915191 1303830382 2607660764 3259575955 6519151910 7171067101 13038303820 14342134202 28684268404 35855335505 71710671010 143421342020