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50444203121 = 133191208447
BaseRepresentation
bin101110111110101101…
…010111010001110001
311211012112200000202022
4232332231113101301
51311302203444441
635101310201225
73434024436404
oct567655272161
9154175600668
1050444203121
111a43648a474
1299397b3215
1349ababa000
14262771dd3b
1514a388a84b
hexbbeb57471

50444203121 has 16 divisors (see below), whose sum is σ = 57522124800. Its totient is φ = 44113112784.

The previous prime is 50444203079. The next prime is 50444203181. The reversal of 50444203121 is 12130244405.

It is not a de Polignac number, because 50444203121 - 218 = 50443940977 is a prime.

It is a super-2 number, since 2×504442031212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50444203181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562481 + ... + 645966.

It is an arithmetic number, because the mean of its divisors is an integer number (3595132800).

Almost surely, 250444203121 is an apocalyptic number.

It is an amenable number.

50444203121 is a deficient number, since it is larger than the sum of its proper divisors (7077921679).

50444203121 is a wasteful number, since it uses less digits than its factorization.

50444203121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208505 (or 1208479 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 50444203121 its reverse (12130244405), we get a palindrome (62574447526).

The spelling of 50444203121 in words is "fifty billion, four hundred forty-four million, two hundred three thousand, one hundred twenty-one".

Divisors: 1 13 19 169 247 2197 3211 41743 1208447 15709811 22960493 204227543 298486409 2654958059 3880323317 50444203121