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1105055069 = 6831617943
BaseRepresentation
bin100000111011101…
…1100110101011101
32212000100121120112
41001313130311131
54230343230234
6301353055405
736245545616
oct10167346535
92760317515
101105055069
11517858258
1226a0b7565
13147c30851
14a6a96c0d
1567033ace
hex41ddcd5d

1105055069 has 4 divisors (see below), whose sum is σ = 1106673696. Its totient is φ = 1103436444.

The previous prime is 1105055059. The next prime is 1105055071. The reversal of 1105055069 is 9605505011.

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: 9605505011 = 64314938577.

It is a cyclic number.

It is not a de Polignac number, because 1105055069 - 228 = 836619613 is a prime.

It is a super-2 number, since 2×11050550692 = 2442293411045189522, 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 (1105055059) 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, 808289 + ... + 809654.

It is an arithmetic number, because the mean of its divisors is an integer number (276668424).

Almost surely, 21105055069 is an apocalyptic number.

It is an amenable number.

1105055069 is a deficient number, since it is larger than the sum of its proper divisors (1618627).

1105055069 is an equidigital number, since it uses as much as digits as its factorization.

1105055069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618626.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 1105055069 is about 33242.3685828793. The cubic root of 1105055069 is about 1033.8589863780.

The spelling of 1105055069 in words is "one billion, one hundred five million, fifty-five thousand, sixty-nine".

Divisors: 1 683 1617943 1105055069