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51444055044415 = 511935346455353
BaseRepresentation
bin10111011001001110000001…
…01000000111000100111111
320202011000002122111012022101
423230213000220013010333
523220324411042410130
6301225023404325531
713556465432652655
oct1354470050070477
9222130078435271
1051444055044415
1115434334a242a0
12592a251b438a7
1322921cc534267
14c9bc96b82dd5
155e32a07a11ca
hex2ec9c0a0713f

51444055044415 has 8 divisors (see below), whose sum is σ = 67344944785488. Its totient is φ = 37413858214080.

The previous prime is 51444055044401. The next prime is 51444055044419.

51444055044415 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51444055044415 - 213 = 51444055036223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51444055044419) 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, 467673227622 + ... + 467673227731.

It is an arithmetic number, because the mean of its divisors is an integer number (8418118098186).

Almost surely, 251444055044415 is an apocalyptic number.

51444055044415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51444055044415 is a deficient number, since it is larger than the sum of its proper divisors (15900889741073).

51444055044415 is a wasteful number, since it uses less digits than its factorization.

51444055044415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935346455369.

The product of its (nonzero) digits is 2560000, while the sum is 46.

The spelling of 51444055044415 in words is "fifty-one trillion, four hundred forty-four billion, fifty-five million, forty-four thousand, four hundred fifteen".

Divisors: 1 5 11 55 935346455353 4676732276765 10288811008883 51444055044415