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50668001280 = 2113451337127
BaseRepresentation
bin101111001100000011…
…000101100000000000
311211210010210011010000
4233030003011200000
51312232002020110
635135423040000
73442412622231
oct571403054000
9154703704100
1050668001280
111a540847326
1299a0740000
134a16287460
142649339088
1514b83461c0
hexbcc0c5800

50668001280 has 960 divisors, whose sum is σ = 202447365120. Its totient is φ = 12039487488.

The previous prime is 50668001221. The next prime is 50668001327. The reversal of 50668001280 is 8210086605.

It is a happy number.

50668001280 is a `hidden beast` number, since 506 + 68 + 0 + 0 + 12 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 398960577 + ... + 398960703.

It is an arithmetic number, because the mean of its divisors is an integer number (210882672).

Almost surely, 250668001280 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 50668001280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101223682560).

50668001280 is an abundant number, since it is smaller than the sum of its proper divisors (151779363840).

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

50668001280 is a wasteful number, since it uses less digits than its factorization.

50668001280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

Adding to 50668001280 its reverse (8210086605), we get a palindrome (58878087885).

The spelling of 50668001280 in words is "fifty billion, six hundred sixty-eight million, one thousand, two hundred eighty".