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143628785380 = 2257181439269
BaseRepresentation
bin1000010111000011110…
…0010101011011100100
3111201201201220021110201
42011300330111123210
54323122432113010
6145552051200244
713243153350343
oct2056074253344
9451651807421
10143628785380
1155a04783323
1223a04ba6084
131070c610292
146d47551b5a
153b095bc23a
hex2170f156e4

143628785380 has 12 divisors (see below), whose sum is σ = 301620449340. Its totient is φ = 57451514144.

The previous prime is 143628785329. The next prime is 143628785441. The reversal of 143628785380 is 83587826341.

It can be written as a sum of positive squares in 2 ways, for example, as 97527542436 + 46101242944 = 312294^2 + 214712^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3590719615 + ... + 3590719654.

It is an arithmetic number, because the mean of its divisors is an integer number (25135037445).

Almost surely, 2143628785380 is an apocalyptic number.

143628785380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143628785380 is an abundant number, since it is smaller than the sum of its proper divisors (157991663960).

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

143628785380 is a wasteful number, since it uses less digits than its factorization.

143628785380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7181439278 (or 7181439276 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 143628785380 in words is "one hundred forty-three billion, six hundred twenty-eight million, seven hundred eighty-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 7181439269 14362878538 28725757076 35907196345 71814392690 143628785380