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2144312214 = 2311101321679
BaseRepresentation
bin111111111001111…
…1001101110010110
312112102220100100220
41333303321232112
513342420442324
6552440015210
7104065232052
oct17763715626
95472810326
102144312214
11a00454560
124ba161506
132823343c5
14164b02c62
15c83bbb79
hex7fcf9b96

2144312214 has 32 divisors (see below), whose sum is σ = 4724835840. Its totient is φ = 643356000.

The previous prime is 2144312197. The next prime is 2144312237. The reversal of 2144312214 is 4122134412.

It is a super-2 number, since 2×21443122142 = 9196149742219163592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154174 + ... + 167505.

It is an arithmetic number, because the mean of its divisors is an integer number (147651120).

Almost surely, 22144312214 is an apocalyptic number.

2144312214 is an abundant number, since it is smaller than the sum of its proper divisors (2580523626).

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

2144312214 is a wasteful number, since it uses less digits than its factorization.

2144312214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321796.

The product of its digits is 1536, while the sum is 24.

The square root of 2144312214 is about 46306.7188861401. The cubic root of 2144312214 is about 1289.5237338056.

Adding to 2144312214 its reverse (4122134412), we get a palindrome (6266446626).

The spelling of 2144312214 in words is "two billion, one hundred forty-four million, three hundred twelve thousand, two hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 101 202 303 606 1111 2222 3333 6666 321679 643358 965037 1930074 3538469 7076938 10615407 21230814 32489579 64979158 97468737 194937474 357385369 714770738 1072156107 2144312214