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13226026560 = 263589154799
BaseRepresentation
bin11000101000101010…
…10010011001000000
31021010202002202121120
430110111102121000
5204041330322220
610024223352240
7645516241125
oct142425223100
937122082546
1013226026560
11567782456a
122691452680
13132a16c526
148d67a474c
155261eca40
hex314552640

13226026560 has 112 divisors (see below), whose sum is σ = 42464736000. Its totient is φ = 3487289344.

The previous prime is 13226026553. The next prime is 13226026573. The reversal of 13226026560 is 6562062231.

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, 8041 + ... + 162839.

Almost surely, 213226026560 is an apocalyptic number.

13226026560 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 13226026560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21232368000).

13226026560 is an abundant number, since it is smaller than the sum of its proper divisors (29238709440).

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

13226026560 is a wasteful number, since it uses less digits than its factorization.

13226026560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154908 (or 154898 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 13226026560 its reverse (6562062231), we get a palindrome (19788088791).

The spelling of 13226026560 in words is "thirteen billion, two hundred twenty-six million, twenty-six thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 89 96 120 160 178 192 240 267 320 356 445 480 534 712 890 960 1068 1335 1424 1780 2136 2670 2848 3560 4272 5340 5696 7120 8544 10680 14240 17088 21360 28480 42720 85440 154799 309598 464397 619196 773995 928794 1238392 1547990 1857588 2321985 2476784 3095980 3715176 4643970 4953568 6191960 7430352 9287940 9907136 12383920 13777111 14860704 18575880 24767840 27554222 29721408 37151760 41331333 49535680 55108444 68885555 74303520 82662666 110216888 137771110 148607040 165325332 206656665 220433776 275542220 330650664 413313330 440867552 551084440 661301328 826626660 881735104 1102168880 1322602656 1653253320 2204337760 2645205312 3306506640 4408675520 6613013280 13226026560