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2142003103 = 2835175553
BaseRepresentation
bin111111110101100…
…0101111110011111
312112021120000212021
41333223011332133
513341323044403
6552314321011
7104036504002
oct17753057637
95467500767
102142003103
119aa1176a9
124b9429167
13281a06376
141646a1539
15c80b28bd
hex7fac5f9f

2142003103 has 4 divisors (see below), whose sum is σ = 2142107008. Its totient is φ = 2141899200.

The previous prime is 2142003091. The next prime is 2142003107. The reversal of 2142003103 is 3013002412.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2142003103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142003107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9426 + ... + 66127.

It is an arithmetic number, because the mean of its divisors is an integer number (535526752).

Almost surely, 22142003103 is an apocalyptic number.

2142003103 is a deficient number, since it is larger than the sum of its proper divisors (103905).

2142003103 is an equidigital number, since it uses as much as digits as its factorization.

2142003103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103904.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2142003103 is about 46281.7793845483. The cubic root of 2142003103 is about 1289.0606913296.

Adding to 2142003103 its reverse (3013002412), we get a palindrome (5155005515).

The spelling of 2142003103 in words is "two billion, one hundred forty-two million, three thousand, one hundred three".

Divisors: 1 28351 75553 2142003103