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2142124313 = 7306017759
BaseRepresentation
bin111111110101110…
…0011100100011001
312112021210012010112
41333223203210121
513341340434223
6552321054105
7104040520250
oct17753434431
95467705115
102142124313
119aa19a77a
124b9487335
13281a495a4
141646d3797
15c80d8778
hex7fae3919

2142124313 has 4 divisors (see below), whose sum is σ = 2448142080. Its totient is φ = 1836106548.

The previous prime is 2142124301. The next prime is 2142124319. The reversal of 2142124313 is 3134212412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2142124313 - 218 = 2141862169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142124319) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 153008873 + ... + 153008886.

It is an arithmetic number, because the mean of its divisors is an integer number (612035520).

Almost surely, 22142124313 is an apocalyptic number.

It is an amenable number.

2142124313 is a deficient number, since it is larger than the sum of its proper divisors (306017767).

2142124313 is an equidigital number, since it uses as much as digits as its factorization.

2142124313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306017766.

The product of its digits is 1152, while the sum is 23.

The square root of 2142124313 is about 46283.0888446309. The cubic root of 2142124313 is about 1289.0850056578.

Adding to 2142124313 its reverse (3134212412), we get a palindrome (5276336725).

The spelling of 2142124313 in words is "two billion, one hundred forty-two million, one hundred twenty-four thousand, three hundred thirteen".

Divisors: 1 7 306017759 2142124313