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142979207338 = 21122032950093
BaseRepresentation
bin1000010100101000111…
…0011001000010101010
3111200001110121021220201
42011022032121002222
54320310134113323
6145403404342414
713221105131662
oct2051216310252
9450043537821
10142979207338
1155701042770
1223863544a0a
1310637b76386
146cc51811a2
153abc5598ad
hex214a3990aa

142979207338 has 16 divisors (see below), whose sum is σ = 234072258336. Its totient is φ = 64961025840.

The previous prime is 142979207317. The next prime is 142979207347. The reversal of 142979207338 is 833702979241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1426581 + ... + 1523512.

It is an arithmetic number, because the mean of its divisors is an integer number (14629516146).

Almost surely, 2142979207338 is an apocalyptic number.

142979207338 is a deficient number, since it is larger than the sum of its proper divisors (91093050998).

142979207338 is a wasteful number, since it uses less digits than its factorization.

142979207338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952309.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 142979207338 in words is "one hundred forty-two billion, nine hundred seventy-nine million, two hundred seven thousand, three hundred thirty-eight".

Divisors: 1 2 11 22 2203 4406 24233 48466 2950093 5900186 32451023 64902046 6499054879 12998109758 71489603669 142979207338