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50021215131444 = 2234168434594287
BaseRepresentation
bin10110101111110011110001…
…10000100101011100110100
320120002222111111011121100220
423113321320300211130310
523024021422033201234
6254215232355134340
713351625225154234
oct1327717060453464
9216088444147326
1050021215131444
1114a35972989377
12573a5438a43b0
1321bac98a8c4ab
14c4d07b03bcc4
155bb277404a49
hex2d7e78c25734

50021215131444 has 12 divisors (see below), whose sum is σ = 116716168640064. Its totient is φ = 16673738377144.

The previous prime is 50021215131331. The next prime is 50021215131493. The reversal of 50021215131444 is 44413151212005.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2084217297132 + ... + 2084217297155.

It is an arithmetic number, because the mean of its divisors is an integer number (9726347386672).

Almost surely, 250021215131444 is an apocalyptic number.

It is an amenable number.

50021215131444 is an abundant number, since it is smaller than the sum of its proper divisors (66694953508620).

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

50021215131444 is a wasteful number, since it uses less digits than its factorization.

50021215131444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168434594294 (or 4168434594292 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 50021215131444 its reverse (44413151212005), we get a palindrome (94434366343449).

The spelling of 50021215131444 in words is "fifty trillion, twenty-one billion, two hundred fifteen million, one hundred thirty-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 4168434594287 8336869188574 12505303782861 16673738377148 25010607565722 50021215131444