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BaseRepresentation
bin101111101110100111…
…101010101110110000
311220021120011222010221
4233232213222232300
51314423443010204
635313142502424
73462654644152
oct575647525660
9156246158127
1051248016304
111a809195191
129b22a34a14
134aa94a6704
1426a239cad2
1514ee217654
hexbee9eabb0

51248016304 has 120 divisors (see below), whose sum is σ = 109130805360. Its totient is φ = 23282090496.

The previous prime is 51248016269. The next prime is 51248016311. The reversal of 51248016304 is 40361084215.

It is a self number, because there is not a number n which added to its sum of digits gives 51248016304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27302214 + ... + 27304090.

It is an arithmetic number, because the mean of its divisors is an integer number (909423378).

Almost surely, 251248016304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51248016304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54565402680).

51248016304 is an abundant number, since it is smaller than the sum of its proper divisors (57882789056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51248016304 is a wasteful number, since it uses less digits than its factorization.

51248016304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115 (or 2090 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 51248016304 in words is "fifty-one billion, two hundred forty-eight million, sixteen thousand, three hundred four".