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1101806089 = 6716444867
BaseRepresentation
bin100000110101100…
…0011101000001001
32211210020112210221
41001223003220021
54224030243324
6301155310041
736206124436
oct10153035011
92753215727
101101806089
11515a3924a
12268bab321
13147363a87
14a648cb8d
1566ae10e4
hex41ac3a09

1101806089 has 4 divisors (see below), whose sum is σ = 1118251024. Its totient is φ = 1085361156.

The previous prime is 1101806087. The next prime is 1101806107. The reversal of 1101806089 is 9806081011.

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 1101806089 - 21 = 1101806087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101806087) 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, 8222367 + ... + 8222500.

It is an arithmetic number, because the mean of its divisors is an integer number (279562756).

Almost surely, 21101806089 is an apocalyptic number.

It is an amenable number.

1101806089 is a deficient number, since it is larger than the sum of its proper divisors (16444935).

1101806089 is an equidigital number, since it uses as much as digits as its factorization.

1101806089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16444934.

The product of its (nonzero) digits is 3456, while the sum is 34.

The square root of 1101806089 is about 33193.4645525290. The cubic root of 1101806089 is about 1032.8447731264.

The spelling of 1101806089 in words is "one billion, one hundred one million, eight hundred six thousand, eighty-nine".

Divisors: 1 67 16444867 1101806089