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2144203442 = 21487720983
BaseRepresentation
bin111111111001101…
…1111001010110010
312112102200211011022
41333303133022302
513342404002232
6552433415442
7104064266663
oct17763371262
95472624138
102144203442
11a0038a867
124ba10a582
132822c6a44
14164ab536a
15c8399812
hex7fcdf2b2

2144203442 has 8 divisors (see below), whose sum is σ = 3218472576. Its totient is φ = 1071379252.

The previous prime is 2144203433. The next prime is 2144203459. The reversal of 2144203442 is 2443024412.

It is a happy number.

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

It is a super-3 number, since 3×21442034423 (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357518 + ... + 363465.

It is an arithmetic number, because the mean of its divisors is an integer number (402309072).

Almost surely, 22144203442 is an apocalyptic number.

2144203442 is a deficient number, since it is larger than the sum of its proper divisors (1074269134).

2144203442 is a wasteful number, since it uses less digits than its factorization.

2144203442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722472.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2144203442 is about 46305.5443980524. The cubic root of 2144203442 is about 1289.5019293864.

Adding to 2144203442 its reverse (2443024412), we get a palindrome (4587227854).

The spelling of 2144203442 in words is "two billion, one hundred forty-four million, two hundred three thousand, four hundred forty-two".

Divisors: 1 2 1487 2974 720983 1441966 1072101721 2144203442