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51496353792 = 21832132373
BaseRepresentation
bin101111111101011011…
…000000000000000000
311220220212110211010200
4233331123000000000
51320431031310132
635353533325200
73502061533152
oct577533000000
9156825424120
1051496353792
111a926392884
129b92036800
134b18a86480
1426c7364ad2
151515e1dd7c
hexbfd6c0000

51496353792 has 456 divisors, whose sum is σ = 169466335584. Its totient is φ = 14948499456.

The previous prime is 51496353791. The next prime is 51496353803. The reversal of 51496353792 is 29735369415.

51496353792 is a `hidden beast` number, since 5 + 1 + 49 + 63 + 537 + 9 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (51496353791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 705429468 + ... + 705429540.

Almost surely, 251496353792 is an apocalyptic number.

51496353792 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51496353792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84733167792).

51496353792 is an abundant number, since it is smaller than the sum of its proper divisors (117969981792).

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

51496353792 is an equidigital number, since it uses as much as digits as its factorization.

51496353792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 114 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 54.

The spelling of 51496353792 in words is "fifty-one billion, four hundred ninety-six million, three hundred fifty-three thousand, seven hundred ninety-two".