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2124423211 = 3168529781
BaseRepresentation
bin111111010100000…
…0010000000101011
312111001110212210011
41332220002000223
513322323020321
6550445432351
7103434204451
oct17650020053
95431425704
102124423211
119a01aa669
124b356b6b7
1327b18c671
141622069d1
15c678dae1
hex7ea0202b

2124423211 has 4 divisors (see below), whose sum is σ = 2192953024. Its totient is φ = 2055893400.

The previous prime is 2124423209. The next prime is 2124423227. The reversal of 2124423211 is 1123244212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2124423211 - 21 = 2124423209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124423281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34264860 + ... + 34264921.

It is an arithmetic number, because the mean of its divisors is an integer number (548238256).

Almost surely, 22124423211 is an apocalyptic number.

2124423211 is a deficient number, since it is larger than the sum of its proper divisors (68529813).

2124423211 is an equidigital number, since it uses as much as digits as its factorization.

2124423211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68529812.

The product of its digits is 768, while the sum is 22.

The square root of 2124423211 is about 46091.4657067878. The cubic root of 2124423211 is about 1285.5244642591.

Adding to 2124423211 its reverse (1123244212), we get a palindrome (3247667423).

The spelling of 2124423211 in words is "two billion, one hundred twenty-four million, four hundred twenty-three thousand, two hundred eleven".

Divisors: 1 31 68529781 2124423211