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1042103311 = 1131792083
BaseRepresentation
bin111110000111010…
…011110000001111
32200121220022222221
4332013103300033
54113234301221
6251223520211
734552506034
oct7607236017
92617808887
101042103311
11495270707
12250bb9067
13137b8c1a2
149c58b38b
156174b541
hex3e1d3c0f

1042103311 has 4 divisors (see below), whose sum is σ = 1042206712. Its totient is φ = 1041999912.

The previous prime is 1042103267. The next prime is 1042103333. The reversal of 1042103311 is 1133012401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1133012401 = 10987103123.

It is a cyclic number.

It is not a de Polignac number, because 1042103311 - 221 = 1040006159 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 (1042103341) 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 3 ways as a sum of consecutive naturals, for example, 34725 + ... + 57358.

It is an arithmetic number, because the mean of its divisors is an integer number (260551678).

Almost surely, 21042103311 is an apocalyptic number.

1042103311 is a deficient number, since it is larger than the sum of its proper divisors (103401).

1042103311 is an equidigital number, since it uses as much as digits as its factorization.

1042103311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103400.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1042103311 is about 32281.6249745889. The cubic root of 1042103311 is about 1013.8419532912.

Adding to 1042103311 its reverse (1133012401), we get a palindrome (2175115712).

The spelling of 1042103311 in words is "one billion, forty-two million, one hundred three thousand, three hundred eleven".

Divisors: 1 11317 92083 1042103311