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2124123245 = 5439879643
BaseRepresentation
bin111111010011011…
…1000110001101101
312111000220122022022
41332212320301231
513322233420440
6550435155525
7103431515066
oct17646706155
95430818268
102124123245
119a0015262
124b3445ba5
1327b0b5c7a
1416216956d
15c672ecb5
hex7e9b8c6d

2124123245 has 8 divisors (see below), whose sum is σ = 2608226016. Its totient is φ = 1659779856.

The previous prime is 2124123229. The next prime is 2124123271. The reversal of 2124123245 is 5423214212.

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 2124123245 - 24 = 2124123229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4939607 + ... + 4940036.

It is an arithmetic number, because the mean of its divisors is an integer number (326028252).

Almost surely, 22124123245 is an apocalyptic number.

It is an amenable number.

2124123245 is a deficient number, since it is larger than the sum of its proper divisors (484102771).

2124123245 is an equidigital number, since it uses as much as digits as its factorization.

2124123245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9879691.

The product of its digits is 3840, while the sum is 26.

The square root of 2124123245 is about 46088.2115621772. The cubic root of 2124123245 is about 1285.4639565756.

Adding to 2124123245 its reverse (5423214212), we get a palindrome (7547337457).

The spelling of 2124123245 in words is "two billion, one hundred twenty-four million, one hundred twenty-three thousand, two hundred forty-five".

Divisors: 1 5 43 215 9879643 49398215 424824649 2124123245