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2124443405 = 57199305017
BaseRepresentation
bin111111010100000…
…0110111100001101
312111001111220111002
41332220012330031
513322324142110
6550450110045
7103434320360
oct17650067415
95431456432
102124443405
119a0213857
124b357b325
1327b198906
141622100d7
15c6794aa5
hex7ea06f0d

2124443405 has 16 divisors (see below), whose sum is σ = 2928172800. Its totient is φ = 1449436032.

The previous prime is 2124443389. The next prime is 2124443407. The reversal of 2124443405 is 5043444212.

It is a cyclic number.

It is not a de Polignac number, because 2124443405 - 24 = 2124443389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124443407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145544 + ... + 159473.

It is an arithmetic number, because the mean of its divisors is an integer number (183010800).

Almost surely, 22124443405 is an apocalyptic number.

It is an amenable number.

2124443405 is a deficient number, since it is larger than the sum of its proper divisors (803729395).

2124443405 is a wasteful number, since it uses less digits than its factorization.

2124443405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305228.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 2124443405 is about 46091.6847706829. The cubic root of 2124443405 is about 1285.5285374900.

Adding to 2124443405 its reverse (5043444212), we get a palindrome (7167887617).

The spelling of 2124443405 in words is "two billion, one hundred twenty-four million, four hundred forty-three thousand, four hundred five".

Divisors: 1 5 7 35 199 995 1393 6965 305017 1525085 2135119 10675595 60698383 303491915 424888681 2124443405