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13424351252 = 22136128115061
BaseRepresentation
bin11001000000010011…
…10101100000010100
31021122120021200221112
430200021311200110
5204443113220002
610100030234152
7653445050204
oct144011654024
937576250845
1013424351252
115769772874
122727955958
13135c28b110
14914c6c404
15538825852
hex320275814

13424351252 has 48 divisors (see below), whose sum is σ = 25807712784. Its totient is φ = 6072192000.

The previous prime is 13424351201. The next prime is 13424351267. The reversal of 13424351252 is 25215342431.

It can be written as a sum of positive squares in 8 ways, for example, as 899160196 + 12525191056 = 29986^2 + 111916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 883802 + ... + 898862.

It is an arithmetic number, because the mean of its divisors is an integer number (537660683).

Almost surely, 213424351252 is an apocalyptic number.

It is an amenable number.

13424351252 is a deficient number, since it is larger than the sum of its proper divisors (12383361532).

13424351252 is a wasteful number, since it uses less digits than its factorization.

13424351252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15420 (or 15418 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

Adding to 13424351252 its reverse (25215342431), we get a palindrome (38639693683).

The spelling of 13424351252 in words is "thirteen billion, four hundred twenty-four million, three hundred fifty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 13 26 52 61 122 244 281 562 793 1124 1586 3172 3653 7306 14612 15061 17141 30122 34282 60244 68564 195793 222833 391586 445666 783172 891332 918721 1837442 3674884 4232141 8464282 11943373 16928564 23886746 47773492 55017833 110035666 220071332 258160601 516321202 1032642404 3356087813 6712175626 13424351252