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50245431001 = 292273762253
BaseRepresentation
bin101110110010110111…
…000110111011011001
311210200200122100122221
4232302313012323121
51310400312243001
635025445544041
73426062055013
oct566267067331
9153620570587
1050245431001
111a344265a97
1298a3115021
13497987287c
14260917b1b3
1514911c51a1
hexbb2dc6ed9

50245431001 has 8 divisors (see below), whose sum is σ = 52000967880. Its totient is φ = 48491423232.

The previous prime is 50245430999. The next prime is 50245431007. The reversal of 50245431001 is 10013454205.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14811133401 + 35434297600 = 121701^2 + 188240^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50245431001 - 21 = 50245430999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50245431007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315210 + ... + 447043.

It is an arithmetic number, because the mean of its divisors is an integer number (6500120985).

Almost surely, 250245431001 is an apocalyptic number.

It is an amenable number.

50245431001 is a deficient number, since it is larger than the sum of its proper divisors (1755536879).

50245431001 is a wasteful number, since it uses less digits than its factorization.

50245431001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764555.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 50245431001 its reverse (10013454205), we get a palindrome (60258885206).

The spelling of 50245431001 in words is "fifty billion, two hundred forty-five million, four hundred thirty-one thousand, one".

Divisors: 1 29 2273 65917 762253 22105337 1732601069 50245431001