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51346341450 = 23452471072521
BaseRepresentation
bin101111110100011110…
…101111111001001010
311220112102012101220000
4233310132233321022
51320124130411300
635331014143430
73465260462325
oct576436577112
9156472171800
1051346341450
111a859742338
129b4b951b76
134ac3981a81
1426b14757bc
151507b8ac00
hexbf47afe4a

51346341450 has 240 divisors, whose sum is σ = 147122262144. Its totient is φ = 13270521600.

The previous prime is 51346341443. The next prime is 51346341451. The reversal of 51346341450 is 5414364315.

51346341450 is a `hidden beast` number, since 5 + 1 + 3 + 4 + 634 + 14 + 5 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (51346341451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 20366190 + ... + 20368710.

Almost surely, 251346341450 is an apocalyptic number.

51346341450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51346341450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73561131072).

51346341450 is an abundant number, since it is smaller than the sum of its proper divisors (95775920694).

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

51346341450 is a wasteful number, since it uses less digits than its factorization.

51346341450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699 (or 2685 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 51346341450 in words is "fifty-one billion, three hundred forty-six million, three hundred forty-one thousand, four hundred fifty".