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51044305130621 = 1129315837513227
BaseRepresentation
bin10111001101100101011011…
…01011001101010001111101
320200201210021101111112002122
423212302231223031101331
523142302214103134441
6300321232520332325
713515554315523155
oct1346625553152175
9220653241445078
1051044305130621
111529a84a584410
12588488a6140a5
1322635c396892a
14c867b3cbd765
155d7ba5d0734b
hex2e6cadacd47d

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".

Divisors: 1 11 293 3223 15837513227 174212645497 4640391375511 51044305130621