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1120808069 = 3136155099
BaseRepresentation
bin100001011001110…
…0010110010000101
32220002222221121222
41002303202302011
54243411324234
6303114450125
736526466003
oct10263426205
92802887558
101120808069
11525737767
12273433945
1314b287b54
14a8bd7a73
15685e642e
hex42ce2c85

1120808069 has 4 divisors (see below), whose sum is σ = 1156963200. Its totient is φ = 1084652940.

The previous prime is 1120808047. The next prime is 1120808077. The reversal of 1120808069 is 9608080211.

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.

It is a cyclic number.

It is not a de Polignac number, because 1120808069 - 28 = 1120807813 is a prime.

It is a super-2 number, since 2×11208080692 = 2512421455071017522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120808369) 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, 18077519 + ... + 18077580.

It is an arithmetic number, because the mean of its divisors is an integer number (289240800).

Almost surely, 21120808069 is an apocalyptic number.

It is an amenable number.

1120808069 is a deficient number, since it is larger than the sum of its proper divisors (36155131).

1120808069 is an equidigital number, since it uses as much as digits as its factorization.

1120808069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36155130.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 1120808069 is about 33478.4717243783. The cubic root of 1120808069 is about 1038.7485158953.

The spelling of 1120808069 in words is "one billion, one hundred twenty million, eight hundred eight thousand, sixty-nine".

Divisors: 1 31 36155099 1120808069