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13201321350 = 2352712572687
BaseRepresentation
bin11000100101101110…
…00010110110000110
31021002000121121102210
430102313002312012
5204014014240400
610021542044250
7645066244230
oct142267026606
937060547383
1013201321350
115664890138
122685119686
131324ccc569
148d33b3250
15523e6c950
hex312dc2d86

13201321350 has 48 divisors (see below), whose sum is σ = 37416319488. Its totient is φ = 3017444640.

The previous prime is 13201321291. The next prime is 13201321351. The reversal of 13201321350 is 5312310231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201321351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6285294 + ... + 6287393.

It is an arithmetic number, because the mean of its divisors is an integer number (779506656).

Almost surely, 213201321350 is an apocalyptic number.

13201321350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13201321350 is an abundant number, since it is smaller than the sum of its proper divisors (24214998138).

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

13201321350 is a wasteful number, since it uses less digits than its factorization.

13201321350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12572709 (or 12572704 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 13201321350 its reverse (5312310231), we get a palindrome (18513631581).

The spelling of 13201321350 in words is "thirteen billion, two hundred one million, three hundred twenty-one thousand, three hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 150 175 210 350 525 1050 12572687 25145374 37718061 62863435 75436122 88008809 125726870 176017618 188590305 264026427 314317175 377180610 440044045 528052854 628634350 880088090 942951525 1320132135 1885903050 2200220225 2640264270 4400440450 6600660675 13201321350