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1050043045 = 5210008609
BaseRepresentation
bin111110100101100…
…110001010100101
32201011211201021011
4332211212022211
54122302334140
6252110022221
735010134662
oct7645461245
92634751234
101050043045
114997a3977
122537a7971
1313970c05c
149d656a69
15622b8cea
hex3e9662a5

1050043045 has 4 divisors (see below), whose sum is σ = 1260051660. Its totient is φ = 840034432.

The previous prime is 1050043039. The next prime is 1050043051. The reversal of 1050043045 is 5403400501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5403400501 = 50543106907.

It is an interprime number because it is at equal distance from previous prime (1050043039) and next prime (1050043051).

It can be written as a sum of positive squares in 2 ways, for example, as 713210436 + 336832609 = 26706^2 + 18353^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050043045 - 211 = 1050040997 is a prime.

It is a super-2 number, since 2×10500430452 = 2205180792705744050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105004300 + ... + 105004309.

It is an arithmetic number, because the mean of its divisors is an integer number (315012915).

Almost surely, 21050043045 is an apocalyptic number.

It is an amenable number.

1050043045 is a deficient number, since it is larger than the sum of its proper divisors (210008615).

1050043045 is an equidigital number, since it uses as much as digits as its factorization.

1050043045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210008614.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1050043045 is about 32404.3676840021. The cubic root of 1050043045 is about 1016.4102457619.

Adding to 1050043045 its reverse (5403400501), we get a palindrome (6453443546).

The spelling of 1050043045 in words is "one billion, fifty million, forty-three thousand, forty-five".

Divisors: 1 5 210008609 1050043045