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2216399144 = 231571919239
BaseRepresentation
bin1000010000011011…
…1001000100101000
312201110112202001012
42010012321010220
514014344233034
61003533043052
7105632040041
oct20406710450
95643482035
102216399144
11a38110533
1251a326488
13294253aab
141705098c8
15ce8aacce
hex841b9128

2216399144 has 32 divisors (see below), whose sum is σ = 4204569600. Its totient is φ = 1095257280.

The previous prime is 2216399137. The next prime is 2216399147. The reversal of 2216399144 is 4419936122.

It is not an unprimeable number, because it can be changed into a prime (2216399147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235277 + ... + 244515.

It is an arithmetic number, because the mean of its divisors is an integer number (131392800).

Almost surely, 22216399144 is an apocalyptic number.

It is an amenable number.

2216399144 is a deficient number, since it is larger than the sum of its proper divisors (1988170456).

2216399144 is a wasteful number, since it uses less digits than its factorization.

2216399144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9593 (or 9589 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 2216399144 is about 47078.6484937705. The cubic root of 2216399144 is about 1303.8150543155.

The spelling of 2216399144 in words is "two billion, two hundred sixteen million, three hundred ninety-nine thousand, one hundred forty-four".

Divisors: 1 2 4 8 157 191 314 382 628 764 1256 1528 9239 18478 29987 36956 59974 73912 119948 239896 1450523 1764649 2901046 3529298 5802092 7058596 11604184 14117192 277049893 554099786 1108199572 2216399144