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142142071684 = 22174120410981
BaseRepresentation
bin1000010001100001010…
…0111110001110000100
3111120220010101101200111
42010120110332032010
54312101332243214
6145144341522404
713161261450154
oct2043024761604
9446803341614
10142142071684
1155311548318
122366b113404
13105335c0632
146c45d0a764
153a6dce95c4
hex211853e384

142142071684 has 12 divisors (see below), whose sum is σ = 248891514508. Its totient is φ = 71030210400.

The previous prime is 142142071667. The next prime is 142142071727. The reversal of 142142071684 is 486170241241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 766071684 + 141376000000 = 27678^2 + 376000^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 10198527 + ... + 10212454.

Almost surely, 2142142071684 is an apocalyptic number.

It is an amenable number.

142142071684 is a deficient number, since it is larger than the sum of its proper divisors (106749442824).

142142071684 is a wasteful number, since it uses less digits than its factorization.

142142071684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20412726 (or 20412724 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 142142071684 in words is "one hundred forty-two billion, one hundred forty-two million, seventy-one thousand, six hundred eighty-four".

Divisors: 1 2 4 1741 3482 6964 20410981 40821962 81643924 35535517921 71071035842 142142071684