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2111141044240 = 24557727457139
BaseRepresentation
bin11110101110001001110…
…011111110000000010000
321110211020001022212202221
4132232021303332000100
5234042104101403430
64253502251150424
7305345020536064
oct36561163760020
97424201285687
102111141044240
1174436a09a368
122a11a0a45414
13124106282b87
1474273417aa4
1539db036757a
hex1eb89cfe010

2111141044240 has 40 divisors (see below), whose sum is σ = 4908498693120. Its totient is φ = 844439942016.

The previous prime is 2111141044211. The next prime is 2111141044267. The reversal of 2111141044240 is 424401411112.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4389591 + ... + 4846729.

It is an arithmetic number, because the mean of its divisors is an integer number (122712467328).

Almost surely, 22111141044240 is an apocalyptic number.

2111141044240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111141044240 is an abundant number, since it is smaller than the sum of its proper divisors (2797357648880).

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

2111141044240 is a wasteful number, since it uses less digits than its factorization.

2111141044240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514879 (or 514873 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 2111141044240 its reverse (424401411112), we get a palindrome (2535542455352).

The spelling of 2111141044240 in words is "two trillion, one hundred eleven billion, one hundred forty-one million, forty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 57727 115454 230908 288635 457139 461816 577270 914278 923632 1154540 1828556 2285695 2309080 3657112 4571390 4618160 7314224 9142780 18285560 36571120 26389263053 52778526106 105557052212 131946315265 211114104424 263892630530 422228208848 527785261060 1055570522120 2111141044240