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111203130203 = 1159733233759
BaseRepresentation
bin110011110010000111…
…0010001101101011011
3101122000221022022201222
41213210032101231123
53310221000131303
6123030325002255
711014501003454
oct1474416215533
9348027268658
10111203130203
11431852a46a0
121967585338b
13a642849079
14554ccca12b
152d5ca50938
hex19e4391b5b

111203130203 has 16 divisors (see below), whose sum is σ = 123537484800. Its totient is φ = 99244296480.

The previous prime is 111203130173. The next prime is 111203130211. The reversal of 111203130203 is 302031302111.

It is not a de Polignac number, because 111203130203 - 210 = 111203129179 is a prime.

It is a super-2 number, since 2×1112031302032 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111203130293) 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, 358838 + ... + 592596.

It is an arithmetic number, because the mean of its divisors is an integer number (7721092800).

Almost surely, 2111203130203 is an apocalyptic number.

111203130203 is a deficient number, since it is larger than the sum of its proper divisors (12334354597).

111203130203 is a wasteful number, since it uses less digits than its factorization.

111203130203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234562.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 111203130203 its reverse (302031302111), we get a palindrome (413234432314).

The spelling of 111203130203 in words is "one hundred eleven billion, two hundred three million, one hundred thirty thousand, two hundred three".

Divisors: 1 11 59 649 733 8063 43247 233759 475717 2571349 13791781 151709591 171345347 1884798817 10109375473 111203130203