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1011442033 = 7144491719
BaseRepresentation
bin111100010010010…
…110000101110001
32121111012120122001
4330102112011301
54032412121113
6244210414001
734031054410
oct7422260561
92544176561
101011442033
11479a29408
12242891301
13131715214
1498489477
155dbe17dd
hex3c496171

1011442033 has 4 divisors (see below), whose sum is σ = 1155933760. Its totient is φ = 866950308.

The previous prime is 1011442009. The next prime is 1011442051. The reversal of 1011442033 is 3302441101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3302441101 = 8339788447.

It is a de Polignac number, because none of the positive numbers 2k-1011442033 is a prime.

It is a super-2 number, since 2×10114420332 = 2046029972238346178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011442033.

It is not an unprimeable number, because it can be changed into a prime (1011442433) 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, 72245853 + ... + 72245866.

It is an arithmetic number, because the mean of its divisors is an integer number (288983440).

Almost surely, 21011442033 is an apocalyptic number.

It is an amenable number.

1011442033 is a deficient number, since it is larger than the sum of its proper divisors (144491727).

1011442033 is an equidigital number, since it uses as much as digits as its factorization.

1011442033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144491726.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1011442033 is about 31803.1764608506. The cubic root of 1011442033 is about 1003.7995560893.

Adding to 1011442033 its reverse (3302441101), we get a palindrome (4313883134).

The spelling of 1011442033 in words is "one billion, eleven million, four hundred forty-two thousand, thirty-three".

Divisors: 1 7 144491719 1011442033