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2051454303145 = 51353595487461
BaseRepresentation
bin11101110110100100001…
…101000111101110101001
321021010011101012021110101
4131312210031013232221
5232102334300200040
64210231453145401
7301132643602462
oct35664415075651
97233141167411
102051454303145
11721020522365
12291703a8b261
1311b5b36b67b0
14714103c9d69
153856a39209a
hex1dda4347ba9

2051454303145 has 16 divisors (see below), whose sum is σ = 2701131127632. Its totient is φ = 1486336700160.

The previous prime is 2051454303121. The next prime is 2051454303233. The reversal of 2051454303145 is 5413034541502.

It can be written as a sum of positive squares in 8 ways, for example, as 78182311321 + 1973271991824 = 279611^2 + 1404732^2 .

It is not a de Polignac number, because 2051454303145 - 25 = 2051454303113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297740286 + ... + 297747175.

It is an arithmetic number, because the mean of its divisors is an integer number (168820695477).

Almost surely, 22051454303145 is an apocalyptic number.

It is an amenable number.

2051454303145 is a deficient number, since it is larger than the sum of its proper divisors (649676824487).

2051454303145 is a wasteful number, since it uses less digits than its factorization.

2051454303145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595487532.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 2051454303145 its reverse (5413034541502), we get a palindrome (7464488844647).

The spelling of 2051454303145 in words is "two trillion, fifty-one billion, four hundred fifty-four million, three hundred three thousand, one hundred forty-five".

Divisors: 1 5 13 53 65 265 689 3445 595487461 2977437305 7741336993 31560835433 38706684965 157804177165 410290860629 2051454303145