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34344043540 = 2252655764661
BaseRepresentation
bin11111111111000100…
…001000010000010100
310021122111101011211121
4133333010020100110
51030314033343130
623435532013324
72324035360552
oct377704102024
9107574334747
1034344043540
1113624354264
1267a5901244
133314365771
14193b358bd2
15d601acd7a
hex7ff108414

34344043540 has 24 divisors (see below), whose sum is σ = 72126322632. Its totient is φ = 13736887680.

The previous prime is 34344043537. The next prime is 34344043549. The reversal of 34344043540 is 4534044343.

It can be written as a sum of positive squares in 4 ways, for example, as 46485124 + 34297558416 = 6818^2 + 185196^2 .

It is a junction number, because it is equal to n+sod(n) for n = 34344043496 and 34344043505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34344043549) 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, 498810 + ... + 563470.

It is an arithmetic number, because the mean of its divisors is an integer number (3005263443).

Almost surely, 234344043540 is an apocalyptic number.

It is an amenable number.

34344043540 is an abundant number, since it is smaller than the sum of its proper divisors (37782279092).

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

34344043540 is a wasteful number, since it uses less digits than its factorization.

34344043540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91227 (or 91225 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 34344043540 its reverse (4534044343), we get a palindrome (38878087883).

The spelling of 34344043540 in words is "thirty-four billion, three hundred forty-four million, forty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 26557 53114 64661 106228 129322 132785 258644 265570 323305 531140 646610 1293220 1717202177 3434404354 6868808708 8586010885 17172021770 34344043540