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111012200106 = 23171957281837
BaseRepresentation
bin110011101100011010…
…1111011111010101010
3101121112122001001212220
41213120311323322222
53304323110400411
6122555344414510
711006662063113
oct1473065737252
9347478031786
10111012200106
1143097547025
1219621917436
13a612119192
1455317c920a
152d4add8b06
hex19d8d7beaa

111012200106 has 32 divisors (see below), whose sum is σ = 247457540160. Its totient is φ = 32994337536.

The previous prime is 111012200063. The next prime is 111012200141. The reversal of 111012200106 is 601002210111.

It is a happy number.

It is a super-2 number, since 2×1110122001062 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28638981 + ... + 28642856.

It is an arithmetic number, because the mean of its divisors is an integer number (7733048130).

Almost surely, 2111012200106 is an apocalyptic number.

111012200106 is an abundant number, since it is smaller than the sum of its proper divisors (136445340054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111012200106 is a wasteful number, since it uses less digits than its factorization.

111012200106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57281878.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111012200106 its reverse (601002210111), we get a palindrome (712014410217).

The spelling of 111012200106 in words is "one hundred eleven billion, twelve million, two hundred thousand, one hundred six".

Divisors: 1 2 3 6 17 19 34 38 51 57 102 114 323 646 969 1938 57281837 114563674 171845511 343691022 973791229 1088354903 1947582458 2176709806 2921373687 3265064709 5842747374 6530129418 18502033351 37004066702 55506100053 111012200106