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20627143250 = 253736732117
BaseRepresentation
bin10011001101011110…
…010011101001010010
31222020112121110001112
4103031132103221102
5314221022041000
613250451133322
71330105552610
oct231536235122
958215543045
1020627143250
11882553702a
123bb7ba4242
131c395b810c
14dd96d66b0
1580ad4b235
hex4cd793a52

20627143250 has 64 divisors (see below), whose sum is σ = 44251923456. Its totient is φ = 7052673600.

The previous prime is 20627143181. The next prime is 20627143297. The reversal of 20627143250 is 5234172602.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 626192 + ... + 658308.

It is an arithmetic number, because the mean of its divisors is an integer number (691436304).

Almost surely, 220627143250 is an apocalyptic number.

20627143250 is an abundant number, since it is smaller than the sum of its proper divisors (23624780206).

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

20627143250 is a wasteful number, since it uses less digits than its factorization.

20627143250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32508 (or 32498 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 20627143250 in words is "twenty billion, six hundred twenty-seven million, one hundred forty-three thousand, two hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 125 175 250 350 367 734 875 1750 1835 2569 3670 5138 9175 12845 18350 25690 32117 45875 64225 64234 91750 128450 160585 224819 321125 321170 449638 642250 802925 1124095 1605850 2248190 4014625 5620475 8029250 11240950 11786939 23573878 28102375 56204750 58934695 82508573 117869390 165017146 294673475 412542865 589346950 825085730 1473367375 2062714325 2946734750 4125428650 10313571625 20627143250