Base | Representation |
---|---|
bin | 11101110110100100001… |
… | …101000111101110101001 |
3 | 21021010011101012021110101 |
4 | 131312210031013232221 |
5 | 232102334300200040 |
6 | 4210231453145401 |
7 | 301132643602462 |
oct | 35664415075651 |
9 | 7233141167411 |
10 | 2051454303145 |
11 | 721020522365 |
12 | 291703a8b261 |
13 | 11b5b36b67b0 |
14 | 714103c9d69 |
15 | 3856a39209a |
hex | 1dda4347ba9 |
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".
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