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2144211112 = 234113747717
BaseRepresentation
bin111111111001110…
…0001000010101000
312112102201012200101
41333303201002220
513342404223422
6552433515144
7104064331231
oct17763410250
95472635611
102144211112
11a003955aa
124ba112ab4
132822ca394
14164ab8088
15c839bc27
hex7fce10a8

2144211112 has 32 divisors (see below), whose sum is σ = 4148602920. Its totient is φ = 1038300160.

The previous prime is 2144211109. The next prime is 2144211149. The reversal of 2144211112 is 2111124412.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1159130116 + 985080996 = 34046^2 + 31386^2 .

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2144211112.

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, 21078 + ... + 68794.

Almost surely, 22144211112 is an apocalyptic number.

It is an amenable number.

2144211112 is a deficient number, since it is larger than the sum of its proper divisors (2004391808).

2144211112 is a wasteful number, since it uses less digits than its factorization.

2144211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47901 (or 47897 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

The square root of 2144211112 is about 46305.6272174344. The cubic root of 2144211112 is about 1289.5034669377.

Adding to 2144211112 its reverse (2111124412), we get a palindrome (4255335524).

The spelling of 2144211112 in words is "two billion, one hundred forty-four million, two hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 41 82 137 164 274 328 548 1096 5617 11234 22468 44936 47717 95434 190868 381736 1956397 3912794 6537229 7825588 13074458 15651176 26148916 52297832 268026389 536052778 1072105556 2144211112