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51440000244735 = 3521531592816233
BaseRepresentation
bin10111011001000110011101…
…11100010001101111111111
320202010121122001200000211110
423230203032330101233333
523220243110030312420
6301223113200053103
713556263105511364
oct1354431674215777
9222117561600743
1051440000244735
1115432644111283
125929500004193
132291a044668cb
14c9b9d044646b
155e3114803ee0
hex2ec8cef11bff

51440000244735 has 16 divisors (see below), whose sum is σ = 82342228032864. Its totient is φ = 27421924250112.

The previous prime is 51440000244707. The next prime is 51440000244739. The reversal of 51440000244735 is 53744200004415.

It is not a de Polignac number, because 51440000244735 - 216 = 51440000179199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51440000244693 and 51440000244702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51440000244739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 796375822 + ... + 796440411.

It is an arithmetic number, because the mean of its divisors is an integer number (5146389252054).

Almost surely, 251440000244735 is an apocalyptic number.

51440000244735 is a deficient number, since it is larger than the sum of its proper divisors (30902227788129).

51440000244735 is a wasteful number, since it uses less digits than its factorization.

51440000244735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592818394.

The product of its (nonzero) digits is 268800, while the sum is 39.

The spelling of 51440000244735 in words is "fifty-one trillion, four hundred forty billion, two hundred forty-four thousand, seven hundred thirty-five".

Divisors: 1 3 5 15 2153 6459 10765 32295 1592816233 4778448699 7964081165 23892243495 3429333349649 10288000048947 17146666748245 51440000244735