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110505132005 = 5971693134581
BaseRepresentation
bin110011011101010011…
…1100111111111100101
3101120020021220100012212
41212322213213333211
53302303303211010
6122433152253205
710661264060342
oct1467247477745
9346207810185
10110505132005
11429572a2284
12194bbb41205
13a56105ab98
1454c43137c9
152d1b626505
hex19ba9e7fe5

110505132005 has 16 divisors (see below), whose sum is σ = 134053361904. Its totient is φ = 87440394240.

The previous prime is 110505131999. The next prime is 110505132007. The reversal of 110505132005 is 500231505011.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3087691489 + 107417440516 = 55567^2 + 327746^2 .

It is not a de Polignac number, because 110505132005 - 26 = 110505131941 is a prime.

It is a super-2 number, since 2×1105051320052 (a number of 23 digits) 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 (110505132007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753815 + ... + 888395.

It is an arithmetic number, because the mean of its divisors is an integer number (8378335119).

Almost surely, 2110505132005 is an apocalyptic number.

It is an amenable number.

110505132005 is a deficient number, since it is larger than the sum of its proper divisors (23548229899).

110505132005 is a wasteful number, since it uses less digits than its factorization.

110505132005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136376.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 110505132005 its reverse (500231505011), we get a palindrome (610736637016).

The spelling of 110505132005 in words is "one hundred ten billion, five hundred five million, one hundred thirty-two thousand, five".

Divisors: 1 5 97 485 1693 8465 134581 164221 672905 821105 13054357 65271785 227845633 1139228165 22101026401 110505132005