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13201330432 = 2870972733
BaseRepresentation
bin11000100101101110…
…00101000100000000
31021002000122001220011
430102313011010000
5204014020033212
610021542154304
7645066312553
oct142267050400
937060561804
1013201330432
115664896a44
122685122994
131325003734
148d33b669a
15523e704a7
hex312dc5100

13201330432 has 36 divisors (see below), whose sum is σ = 26388622540. Its totient is φ = 6591264768.

The previous prime is 13201330423. The next prime is 13201330477. The reversal of 13201330432 is 23403310231.

It can be written as a sum of positive squares in 2 ways, for example, as 7201898496 + 5999431936 = 84864^2 + 77456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145138 + ... + 217870.

Almost surely, 213201330432 is an apocalyptic number.

It is an amenable number.

13201330432 is a deficient number, since it is larger than the sum of its proper divisors (13187292108).

13201330432 is an frugal number, since it uses more digits than its factorization.

13201330432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73458 (or 73444 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13201330432 its reverse (23403310231), we get a palindrome (36604640663).

The spelling of 13201330432 in words is "thirteen billion, two hundred one million, three hundred thirty thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 128 256 709 1418 2836 5672 11344 22688 45376 72733 90752 145466 181504 290932 581864 1163728 2327456 4654912 9309824 18619648 51567697 103135394 206270788 412541576 825083152 1650166304 3300332608 6600665216 13201330432