Search a number
-
+
1105512017 = 197929323
BaseRepresentation
bin100000111100100…
…1100011001010001
32212001012211101112
41001321030121101
54231002341032
6301410543105
736252461051
oct10171143121
92761184345
101105512017
1151803a5a5
1226a297a95
1314806082c
14a6b75561
15670c41b2
hex41e4c651

1105512017 has 12 divisors (see below), whose sum is σ = 1178740080. Its totient is φ = 1033958952.

The previous prime is 1105511959. The next prime is 1105512041. The reversal of 1105512017 is 7102155011.

It is not a de Polignac number, because 1105512017 - 210 = 1105510993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1105511983 and 1105512001.

It is not an unprimeable number, because it can be changed into a prime (1105512077) 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 11 ways as a sum of consecutive naturals, for example, 113918 + ... + 123240.

It is an arithmetic number, because the mean of its divisors is an integer number (98228340).

Almost surely, 21105512017 is an apocalyptic number.

It is an amenable number.

1105512017 is a deficient number, since it is larger than the sum of its proper divisors (73228063).

1105512017 is an frugal number, since it uses more digits than its factorization.

1105512017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9500 (or 9421 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 1105512017 is about 33249.2408484765. The cubic root of 1105512017 is about 1034.0014693812.

Adding to 1105512017 its reverse (7102155011), we get a palindrome (8207667028).

The spelling of 1105512017 in words is "one billion, one hundred five million, five hundred twelve thousand, seventeen".

Divisors: 1 19 79 1501 6241 9323 118579 177137 736517 13993823 58184843 1105512017