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13353252531 = 3172311383847
BaseRepresentation
bin11000110111110101…
…00111011010110011
31021110121111111211120
430123322213122303
5204321413040111
610045010313323
7651622526253
oct143372473263
937417444746
1013353252531
1157326212a3
122707b88843
13134a626478
14909641963
1553247e406
hex31bea76b3

13353252531 has 16 divisors (see below), whose sum is σ = 19671289344. Its totient is φ = 8014227584.

The previous prime is 13353252503. The next prime is 13353252553. The reversal of 13353252531 is 13525235331.

It is not a de Polignac number, because 13353252531 - 25 = 13353252499 is a prime.

It is a super-2 number, since 2×133532525312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13353252492 and 13353252501.

It is not an unprimeable number, because it can be changed into a prime (13353252931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5690751 + ... + 5693096.

It is an arithmetic number, because the mean of its divisors is an integer number (1229455584).

Almost surely, 213353252531 is an apocalyptic number.

13353252531 is a deficient number, since it is larger than the sum of its proper divisors (6318036813).

13353252531 is a wasteful number, since it uses less digits than its factorization.

13353252531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11383890.

The product of its digits is 40500, while the sum is 33.

Adding to 13353252531 its reverse (13525235331), we get a palindrome (26878487862).

The spelling of 13353252531 in words is "thirteen billion, three hundred fifty-three million, two hundred fifty-two thousand, five hundred thirty-one".

Divisors: 1 3 17 23 51 69 391 1173 11383847 34151541 193525399 261828481 580576197 785485443 4451084177 13353252531