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2140310235444 = 223178359186287
BaseRepresentation
bin11111001001010100011…
…011100110100100110100
321120121111220022022201220
4133021110123212210310
5240031323410013234
64315124524150340
7310426611553623
oct37112433464464
97517456268656
102140310235444
1175577836a457
122a69816983b0
13126aa4498c24
147583d3976ba
153aa1b080a49
hex1f2546e6934

2140310235444 has 12 divisors (see below), whose sum is σ = 4994057216064. Its totient is φ = 713436745144.

The previous prime is 2140310235443. The next prime is 2140310235493. The reversal of 2140310235444 is 4445320130412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140310235443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89179593132 + ... + 89179593155.

It is an arithmetic number, because the mean of its divisors is an integer number (416171434672).

Almost surely, 22140310235444 is an apocalyptic number.

It is an amenable number.

2140310235444 is an abundant number, since it is smaller than the sum of its proper divisors (2853746980620).

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

2140310235444 is a wasteful number, since it uses less digits than its factorization.

2140310235444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178359186294 (or 178359186292 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 2140310235444 its reverse (4445320130412), we get a palindrome (6585630365856).

The spelling of 2140310235444 in words is "two trillion, one hundred forty billion, three hundred ten million, two hundred thirty-five thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 178359186287 356718372574 535077558861 713436745148 1070155117722 2140310235444