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13500211212330 = 235865395200049
BaseRepresentation
bin1100010001110100001101…
…0010110011000000101010
31202210121101221010221100220
43010131003102303000222
53232141413032243310
644413524510510510
72562233550634323
oct304350322630052
952717357127326
1013500211212330
114335453309137
121620521505436
1376c0ab7b7aab
143495b130944a
15186288adb670
hexc47434b302a

13500211212330 has 32 divisors (see below), whose sum is σ = 32400887544000. Its totient is φ = 3600014030592.

The previous prime is 13500211212259. The next prime is 13500211212331. The reversal of 13500211212330 is 3321211200531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13500211212330.

It is not an unprimeable number, because it can be changed into a prime (13500211212331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3855 + ... + 5196194.

It is an arithmetic number, because the mean of its divisors is an integer number (1012527735750).

Almost surely, 213500211212330 is an apocalyptic number.

13500211212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13500211212330 is an abundant number, since it is smaller than the sum of its proper divisors (18900676331670).

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

13500211212330 is a wasteful number, since it uses less digits than its factorization.

13500211212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286598.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 13500211212330 its reverse (3321211200531), we get a palindrome (16821422412861).

The spelling of 13500211212330 in words is "thirteen trillion, five hundred billion, two hundred eleven million, two hundred twelve thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 86539 173078 259617 432695 519234 865390 1298085 2596170 5200049 10400098 15600147 26000245 31200294 52000490 78000735 156001470 450007040411 900014080822 1350021121233 2250035202055 2700042242466 4500070404110 6750105606165 13500211212330