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142131444322 = 27231932287057
BaseRepresentation
bin1000010001011110110…
…0011011101001100010
3111120212101101110200111
42010113230123221202
54312041122204242
6145143322041534
713161102225460
oct2042754335142
9446771343614
10142131444322
115530654987a
12236676492aa
131053133c35a
146c44741830
153a6cdea817
hex2117b1ba62

142131444322 has 32 divisors (see below), whose sum is σ = 255565009152. Its totient is φ = 57963147264.

The previous prime is 142131444307. The next prime is 142131444379. The reversal of 142131444322 is 223444131241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081383 + ... + 1205674.

It is an arithmetic number, because the mean of its divisors is an integer number (7986406536).

Almost surely, 2142131444322 is an apocalyptic number.

142131444322 is a deficient number, since it is larger than the sum of its proper divisors (113433564830).

142131444322 is a wasteful number, since it uses less digits than its factorization.

142131444322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287282.

The product of its digits is 18432, while the sum is 31.

Adding to 142131444322 its reverse (223444131241), we get a palindrome (365575575563).

The spelling of 142131444322 in words is "one hundred forty-two billion, one hundred thirty-one million, four hundred forty-four thousand, three hundred twenty-two".

Divisors: 1 2 7 14 23 46 161 193 322 386 1351 2702 4439 8878 31073 62146 2287057 4574114 16009399 32018798 52602311 105204622 368216177 441402001 736432354 882804002 3089814007 6179628014 10152246023 20304492046 71065722161 142131444322