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318585258950 = 25271753543741
BaseRepresentation
bin1001010001011010010…
…10010100001111000110
31010110022202101000010012
410220231022110033012
520204430311241300
6402204523430222
732005561006640
oct4505512241706
91113282330105
10318585258950
11113125089442
12518b1685372
132407239625a
14115c3599890
158449122435
hex4a2d2943c6

318585258950 has 48 divisors (see below), whose sum is σ = 717057792864. Its totient is φ = 102803980800.

The previous prime is 318585258841. The next prime is 318585258983. The reversal of 318585258950 is 59852585813.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 318585258950.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26765921 + ... + 26777820.

It is an arithmetic number, because the mean of its divisors is an integer number (14938704018).

Almost surely, 2318585258950 is an apocalyptic number.

318585258950 is an abundant number, since it is smaller than the sum of its proper divisors (398472533914).

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

318585258950 is a wasteful number, since it uses less digits than its factorization.

318585258950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53543777 (or 53543772 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 59.

The spelling of 318585258950 in words is "three hundred eighteen billion, five hundred eighty-five million, two hundred fifty-eight thousand, nine hundred fifty".

Divisors: 1 2 5 7 10 14 17 25 34 35 50 70 85 119 170 175 238 350 425 595 850 1190 2975 5950 53543741 107087482 267718705 374806187 535437410 749612374 910243597 1338593525 1820487194 1874030935 2677187050 3748061870 4551217985 6371705179 9102435970 9370154675 12743410358 18740309350 22756089925 31858525895 45512179850 63717051790 159292629475 318585258950