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1080808033 = 1318250443
BaseRepresentation
bin100000001101011…
…1101001001100001
32210022201201220011
41000122331021201
54203141324113
6255125244521
735532500554
oct10032751141
92708651804
101080808033
115050a7088
12261b63741
13142bc12a6
14a378469b
1564d4463d
hex406bd261

1080808033 has 4 divisors (see below), whose sum is σ = 1089058608. Its totient is φ = 1072557460.

The previous prime is 1080808007. The next prime is 1080808051. The reversal of 1080808033 is 3308080801.

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: 3308080801 = 10730916643.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1080808033 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1080807986 and 1080808004.

It is not an unprimeable number, because it can be changed into a prime (1080808633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4125091 + ... + 4125352.

It is an arithmetic number, because the mean of its divisors is an integer number (272264652).

Almost surely, 21080808033 is an apocalyptic number.

It is an amenable number.

1080808033 is a deficient number, since it is larger than the sum of its proper divisors (8250575).

1080808033 is an equidigital number, since it uses as much as digits as its factorization.

1080808033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8250574.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1080808033 is about 32875.6449822661. The cubic root of 1080808033 is about 1026.2413777369.

Adding to 1080808033 its reverse (3308080801), we get a palindrome (4388888834).

The spelling of 1080808033 in words is "one billion, eighty million, eight hundred eight thousand, thirty-three".

Divisors: 1 131 8250443 1080808033