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13430440232 = 231117231093581
BaseRepresentation
bin11001000001000010…
…00100000100101000
31021122222202001110022
430200201010010220
5210001143041412
610100404540012
7653550600266
oct144041040450
937588661408
1013430440232
115772151590
1227299b1608
131360610771
149159b5436
15539129a72
hex320844128

13430440232 has 128 divisors (see below), whose sum is σ = 30638995200. Its totient is φ = 5443891200.

The previous prime is 13430440207. The next prime is 13430440271. The reversal of 13430440232 is 23204403431.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3748682 + ... + 3752262.

It is an arithmetic number, because the mean of its divisors is an integer number (239367150).

Almost surely, 213430440232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13430440232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15319497600).

13430440232 is an abundant number, since it is smaller than the sum of its proper divisors (17208554968).

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

13430440232 is a wasteful number, since it uses less digits than its factorization.

13430440232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747 (or 3743 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 13430440232 its reverse (23204403431), we get a palindrome (36634843663).

The spelling of 13430440232 in words is "thirteen billion, four hundred thirty million, four hundred forty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 17 22 23 34 44 46 68 88 92 109 136 184 187 218 253 374 391 436 506 748 782 872 1012 1199 1496 1564 1853 2024 2398 2507 3128 3581 3706 4301 4796 5014 7162 7412 8602 9592 10028 14324 14824 17204 20056 20383 27577 28648 34408 39391 40766 42619 55154 60877 78782 81532 82363 85238 110308 121754 157564 163064 164726 170476 220616 243508 315128 329452 340952 390329 468809 487016 658904 669647 780658 905993 937618 1339294 1400171 1561316 1811986 1875236 2678588 2800342 3122632 3623972 3750472 4293619 5357176 5600684 6635593 7247944 8587238 8977567 11201368 13271186 15401881 17174476 17955134 26542372 30803762 34348952 35910268 53084744 61607524 71820536 72991523 98753237 123215048 145983046 152618639 197506474 291966092 305237278 395012948 583932184 610474556 790025896 1220949112 1678805029 3357610058 6715220116 13430440232