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1042212011 = 6211167801
BaseRepresentation
bin111110000111101…
…110010010101011
32200122002212002212
4332013232102223
54113301241021
6251230115335
734553440661
oct7607562253
92618085085
101042212011
11495335345
1225104bb4b
13137bc97c9
149c5b8c31
156176d85b
hex3e1ee4ab

1042212011 has 4 divisors (see below), whose sum is σ = 1042386024. Its totient is φ = 1042038000.

The previous prime is 1042212007. The next prime is 1042212037. The reversal of 1042212011 is 1102122401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1102122401 = 1415977839.

It is a cyclic number.

It is not a de Polignac number, because 1042212011 - 22 = 1042212007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042212091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77690 + ... + 90111.

It is an arithmetic number, because the mean of its divisors is an integer number (260596506).

Almost surely, 21042212011 is an apocalyptic number.

1042212011 is a deficient number, since it is larger than the sum of its proper divisors (174013).

1042212011 is an equidigital number, since it uses as much as digits as its factorization.

1042212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174012.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1042212011 is about 32283.3085510144. The cubic root of 1042212011 is about 1013.8772027678.

Adding to 1042212011 its reverse (1102122401), we get a palindrome (2144334412).

The spelling of 1042212011 in words is "one billion, forty-two million, two hundred twelve thousand, eleven".

Divisors: 1 6211 167801 1042212011