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13242213320 = 2357449105331
BaseRepresentation
bin11000101010100110…
…00010001111001000
31021011212120010200012
430111103002033020
5204110001311240
610030002331052
7646103645630
oct142523021710
937155503605
1013242213320
11568597a956
122696959a88
1313306190ab
148d89b96c0
15527848b65
hex3154c23c8

13242213320 has 64 divisors (see below), whose sum is σ = 34127568000. Its totient is φ = 4530032640.

The previous prime is 13242213289. The next prime is 13242213331. The reversal of 13242213320 is 2331224231.

13242213320 = 108182 + 108192 + ... + 109292.

It is a super-2 number, since 2×132422133202 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73055 + ... + 178385.

It is an arithmetic number, because the mean of its divisors is an integer number (533243250).

Almost surely, 213242213320 is an apocalyptic number.

13242213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13242213320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17063784000).

13242213320 is an abundant number, since it is smaller than the sum of its proper divisors (20885354680).

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

13242213320 is a wasteful number, since it uses less digits than its factorization.

13242213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105798 (or 105794 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13242213320 its reverse (2331224231), we get a palindrome (15573437551).

The spelling of 13242213320 in words is "thirteen billion, two hundred forty-two million, two hundred thirteen thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 449 898 1796 2245 3143 3592 4490 6286 8980 12572 15715 17960 25144 31430 62860 105331 125720 210662 421324 526655 737317 842648 1053310 1474634 2106620 2949268 3686585 4213240 5898536 7373170 14746340 29492680 47293619 94587238 189174476 236468095 331055333 378348952 472936190 662110666 945872380 1324221332 1655276665 1891744760 2648442664 3310553330 6621106660 13242213320