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13968412432 = 241325165833
BaseRepresentation
bin11010000001001010…
…10000111100010000
31100001111000212120121
431000211100330100
5212101403144212
610230023320024
71003102355332
oct150045207420
940044025517
1013968412432
115a18894007
122859bb0014
131417bcc400
14967213452
1556b493d07
hex340950f10

13968412432 has 30 divisors (see below), whose sum is σ = 29305776282. Its totient is φ = 6446958336.

The previous prime is 13968412379. The next prime is 13968412433. The reversal of 13968412432 is 23421486931.

It can be written as a sum of positive squares in 3 ways, for example, as 804062736 + 13164349696 = 28356^2 + 114736^2 .

It is a super-3 number, since 3×139684124323 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13968412433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2580213 + ... + 2585620.

Almost surely, 213968412432 is an apocalyptic number.

It is an amenable number.

13968412432 is an abundant number, since it is smaller than the sum of its proper divisors (15337363850).

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

13968412432 is a wasteful number, since it uses less digits than its factorization.

13968412432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165867 (or 5165848 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The spelling of 13968412432 in words is "thirteen billion, nine hundred sixty-eight million, four hundred twelve thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 52 104 169 208 338 676 1352 2704 5165833 10331666 20663332 41326664 67155829 82653328 134311658 268623316 537246632 873025777 1074493264 1746051554 3492103108 6984206216 13968412432