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51730542413409 = 320298498528407
BaseRepresentation
bin10111100001100011101001…
…00110101100011001100001
320210011101120110000110001110
423300301310212230121201
523240023122324212114
6302004403315053533
713616260031265546
oct1360616446543141
9223141513013043
1051730542413409
1115534888641952
125975885ba12a9
1322b3227a05b02
14cabab3436bcd
155ea96b9ec759
hex2f0c749ac661

51730542413409 has 8 divisors (see below), whose sum is σ = 69008050672960. Its totient is φ = 34470031214736.

The previous prime is 51730542413383. The next prime is 51730542413453. The reversal of 51730542413409 is 90431424503715.

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

It is not a de Polignac number, because 51730542413409 - 216 = 51730542347873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51730542411409) 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, 4249258117 + ... + 4249270290.

It is an arithmetic number, because the mean of its divisors is an integer number (8626006334120).

Almost surely, 251730542413409 is an apocalyptic number.

It is an amenable number.

51730542413409 is a deficient number, since it is larger than the sum of its proper divisors (17277508259551).

51730542413409 is a wasteful number, since it uses less digits than its factorization.

51730542413409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8498530439.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 51730542413409 in words is "fifty-one trillion, seven hundred thirty billion, five hundred forty-two million, four hundred thirteen thousand, four hundred nine".

Divisors: 1 3 2029 6087 8498528407 25495585221 17243514137803 51730542413409