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2144442343 = 31135919207
BaseRepresentation
bin111111111010001…
…1001011111100111
312112110010221212111
41333310121133213
513342434123333
6552442501451
7104066313331
oct17764313747
95473127774
102144442343
11a005332aa
124ba204887
1328237b6c4
14164b38451
15c83e54cd
hex7fd197e7

2144442343 has 8 divisors (see below), whose sum is σ = 2157442560. Its totient is φ = 2131481880.

The previous prime is 2144442197. The next prime is 2144442383. The reversal of 2144442343 is 3432444412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2144442343 - 213 = 2144434151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144442383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102046 + ... + 121252.

It is an arithmetic number, because the mean of its divisors is an integer number (269680320).

Almost surely, 22144442343 is an apocalyptic number.

2144442343 is a deficient number, since it is larger than the sum of its proper divisors (13000217).

2144442343 is a wasteful number, since it uses less digits than its factorization.

2144442343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19877.

The product of its digits is 36864, while the sum is 31.

The square root of 2144442343 is about 46308.1239417016. The cubic root of 2144442343 is about 1289.5498184772.

Adding to 2144442343 its reverse (3432444412), we get a palindrome (5576886755).

The spelling of 2144442343 in words is "two billion, one hundred forty-four million, four hundred forty-two thousand, three hundred forty-three".

Divisors: 1 311 359 19207 111649 5973377 6895313 2144442343