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2144331255 = 351146328069
BaseRepresentation
bin111111111001111…
…1110010111110111
312112102221022111010
41333303332113313
513342422100010
6552440243303
7104065341423
oct17763762767
95472838433
102144331255
11a004678a0
124ba170533
1328233cc81
14164b09b83
15c83c2620
hex7fcfe5f7

2144331255 has 32 divisors (see below), whose sum is σ = 3751050240. Its totient is φ = 1037393280.

The previous prime is 2144331251. The next prime is 2144331281. The reversal of 2144331255 is 5521334412.

It is not a de Polignac number, because 2144331255 - 22 = 2144331251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144331251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62361 + ... + 90429.

It is an arithmetic number, because the mean of its divisors is an integer number (117220320).

Almost surely, 22144331255 is an apocalyptic number.

2144331255 is a deficient number, since it is larger than the sum of its proper divisors (1606718985).

2144331255 is a wasteful number, since it uses less digits than its factorization.

2144331255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28551.

The product of its digits is 14400, while the sum is 30.

The square root of 2144331255 is about 46306.9244821981. The cubic root of 2144331255 is about 1289.5275506859.

Adding to 2144331255 its reverse (5521334412), we get a palindrome (7665665667).

The spelling of 2144331255 in words is "two billion, one hundred forty-four million, three hundred thirty-one thousand, two hundred fifty-five".

Divisors: 1 3 5 11 15 33 55 165 463 1389 2315 5093 6945 15279 25465 28069 76395 84207 140345 308759 421035 926277 1543795 4631385 12995947 38987841 64979735 142955417 194939205 428866251 714777085 2144331255