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13420325544424 = 239725216860069
BaseRepresentation
bin1100001101001010100110…
…1111001010000111101000
31202111222012120011112111221
43003102221233022013220
53224334311314410144
644313113515431424
72553405114646411
oct303225157120750
952458176145457
1013420325544424
1143045899a2497
121608b47a55574
137646ba274106
14345793812808
151841606a3d84
hexc34a9bca1e8

13420325544424 has 32 divisors (see below), whose sum is σ = 25432611913800. Its totient is φ = 6638350602240.

The previous prime is 13420325544421. The next prime is 13420325544481. The reversal of 13420325544424 is 42444552302431.

It can be written as a sum of positive squares in 4 ways, for example, as 3109868764324 + 10310456780100 = 1763482^2 + 3210990^2 .

It is not an unprimeable number, because it can be changed into a prime (13420325544421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1473739 + ... + 5386330.

Almost surely, 213420325544424 is an apocalyptic number.

It is an amenable number.

13420325544424 is a deficient number, since it is larger than the sum of its proper divisors (12012286369376).

13420325544424 is a wasteful number, since it uses less digits than its factorization.

13420325544424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862693 (or 6862689 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 43.

Adding to 13420325544424 its reverse (42444552302431), we get a palindrome (55864877846855).

The spelling of 13420325544424 in words is "thirteen trillion, four hundred twenty billion, three hundred twenty-five million, five hundred forty-four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 97 194 388 776 2521 5042 10084 20168 244537 489074 978148 1956296 6860069 13720138 27440276 54880552 665426693 1330853386 2661706772 5323413544 17294233949 34588467898 69176935796 138353871592 1677540693053 3355081386106 6710162772212 13420325544424