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50142144000 = 293531320089
BaseRepresentation
bin101110101100101101…
…000110011000000000
311210102111021211112110
4232230231012120000
51310142342102000
635011320055320
73423366122514
oct565455063000
9153374254473
1050142144000
111a2a0a29a33
129874604540
13496134abc0
1425d9572144
1514870c1850
hexbacb46600

50142144000 has 320 divisors, whose sum is σ = 179542883520. Its totient is φ = 12342067200.

The previous prime is 50142143983. The next prime is 50142144007. The reversal of 50142144000 is 44124105.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50142144007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2485956 + ... + 2506044.

It is an arithmetic number, because the mean of its divisors is an integer number (561071511).

Almost surely, 250142144000 is an apocalyptic number.

50142144000 is a gapful number since it is divisible by the number (50) 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 50142144000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89771441760).

50142144000 is an abundant number, since it is smaller than the sum of its proper divisors (129400739520).

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

50142144000 is a wasteful number, since it uses less digits than its factorization.

50142144000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20138 (or 20112 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 50142144000 its reverse (44124105), we get a palindrome (50186268105).

The spelling of 50142144000 in words is "fifty billion, one hundred forty-two million, one hundred forty-four thousand".