Base | Representation |
---|---|
bin | 10111001101100101011011… |
… | …01011001101010001111101 |
3 | 20200201210021101111112002122 |
4 | 23212302231223031101331 |
5 | 23142302214103134441 |
6 | 300321232520332325 |
7 | 13515554315523155 |
oct | 1346625553152175 |
9 | 220653241445078 |
10 | 51044305130621 |
11 | 1529a84a584410 |
12 | 588488a6140a5 |
13 | 22635c396892a |
14 | c867b3cbd765 |
15 | 5d7ba5d0734b |
hex | 2e6cadacd47d |
51044305130621 has 8 divisors (see below), whose sum is σ = 55874746668384. Its totient is φ = 46245538619920.
The previous prime is 51044305130603. The next prime is 51044305130633. The reversal of 51044305130621 is 12603150344015.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 51044305130621 - 214 = 51044305114237 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 (51044305120621) 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, 7918753391 + ... + 7918759836.
It is an arithmetic number, because the mean of its divisors is an integer number (6984343333548).
Almost surely, 251044305130621 is an apocalyptic number.
It is an amenable number.
51044305130621 is a deficient number, since it is larger than the sum of its proper divisors (4830441537763).
51044305130621 is a wasteful number, since it uses less digits than its factorization.
51044305130621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15837513531.
The product of its (nonzero) digits is 43200, while the sum is 35.
Adding to 51044305130621 its reverse (12603150344015), we get a palindrome (63647455474636).
The spelling of 51044305130621 in words is "fifty-one trillion, forty-four billion, three hundred five million, one hundred thirty thousand, six hundred twenty-one".
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