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13202221300 = 2252500926357
BaseRepresentation
bin11000100101110100…
…11110100011110100
31021002002022022221021
430102322132203310
5204014232040200
610022013230524
7645110013052
oct142272364364
937062268837
1013202221300
1156653452a4
122685492444
131325256088
148d35691d2
1552409941a
hex312e9e8f4

13202221300 has 36 divisors (see below), whose sum is σ = 28655626860. Its totient is φ = 5279633920.

The previous prime is 13202221289. The next prime is 13202221337. The reversal of 13202221300 is 312220231.

It can be written as a sum of positive squares in 6 ways, for example, as 605750544 + 12596470756 = 24612^2 + 112234^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 487722 + ... + 514078.

It is an arithmetic number, because the mean of its divisors is an integer number (795989635).

Almost surely, 213202221300 is an apocalyptic number.

13202221300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13202221300 is an abundant number, since it is smaller than the sum of its proper divisors (15453405560).

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

13202221300 is a wasteful number, since it uses less digits than its factorization.

13202221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31380 (or 31373 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13202221300 its reverse (312220231), we get a palindrome (13514441531).

The spelling of 13202221300 in words is "thirteen billion, two hundred two million, two hundred twenty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 5009 10018 20036 25045 26357 50090 52714 100180 105428 125225 131785 250450 263570 500900 527140 658925 1317850 2635700 132022213 264044426 528088852 660111065 1320222130 2640444260 3300555325 6601110650 13202221300