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317258378142 = 2389594116813
BaseRepresentation
bin1001001110111100001…
…00101010101110011110
31010022220021121110211120
410213132010222232132
520144221121100032
6401425124031410
731630646501526
oct4473604525636
91108807543746
10317258378142
111126040a1232
12515a1232566
1323bc0508c94
14114d927c686
1583bc8c262c
hex49de12ab9e

317258378142 has 16 divisors (see below), whose sum is σ = 641646159120. Its totient is φ = 104564558912.

The previous prime is 317258378137. The next prime is 317258378153. The reversal of 317258378142 is 241873852713.

It is a congruent 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, 297057873 + ... + 297058940.

It is an arithmetic number, because the mean of its divisors is an integer number (40102884945).

Almost surely, 2317258378142 is an apocalyptic number.

317258378142 is an abundant number, since it is smaller than the sum of its proper divisors (324387780978).

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

317258378142 is a wasteful number, since it uses less digits than its factorization.

317258378142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594116907.

The product of its digits is 2257920, while the sum is 51.

The spelling of 317258378142 in words is "three hundred seventeen billion, two hundred fifty-eight million, three hundred seventy-eight thousand, one hundred forty-two".

Divisors: 1 2 3 6 89 178 267 534 594116813 1188233626 1782350439 3564700878 52876396357 105752792714 158629189071 317258378142