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318302539093 = 71123917296231
BaseRepresentation
bin1001010000111000100…
…11110100110101010101
31010102121001101100101101
410220130103310311111
520203340422222333
6402120504030101
731665555640540
oct4503423646525
91112531340341
10318302539093
11112a9a537870
1251832a62331
13240289388b6
1411597c03857
15842e3c867d
hex4a1c4f4d55

318302539093 has 16 divisors (see below), whose sum is σ = 398505185280. Its totient is φ = 246990164400.

The previous prime is 318302539091. The next prime is 318302539117. The reversal of 318302539093 is 390935203813.

It is not a de Polignac number, because 318302539093 - 21 = 318302539091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318302539091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8629713 + ... + 8666518.

It is an arithmetic number, because the mean of its divisors is an integer number (24906574080).

Almost surely, 2318302539093 is an apocalyptic number.

It is an amenable number.

318302539093 is a deficient number, since it is larger than the sum of its proper divisors (80202646187).

318302539093 is a wasteful number, since it uses less digits than its factorization.

318302539093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17296488.

The product of its (nonzero) digits is 524880, while the sum is 46.

It can be divided in two parts, 318302 and 539093, that added together give a triangular number (857395 = T1309).

The spelling of 318302539093 in words is "three hundred eighteen billion, three hundred two million, five hundred thirty-nine thousand, ninety-three".

Divisors: 1 7 11 77 239 1673 2629 18403 17296231 121073617 190258541 1331809787 4133799209 28936594463 45471791299 318302539093