Search a number
-
+
111113024237 is a prime number
BaseRepresentation
bin110011101111011011…
…0100011001011101101
3101121210122202110120222
41213132312203023231
53310024413233422
6123013345421125
711012325060035
oct1473666431355
9347718673528
10111113024237
1143139450756
121964b63a7a5
13a629c8ab27
145540d528c5
152d54ba2842
hex19deda32ed

111113024237 has 2 divisors, whose sum is σ = 111113024238. Its totient is φ = 111113024236.

The previous prime is 111113024227. The next prime is 111113024273. The reversal of 111113024237 is 732420311111.

Together with next prime (111113024273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79848065476 + 31264958761 = 282574^2 + 176819^2 .

It is a cyclic number.

It is not a de Polignac number, because 111113024237 - 24 = 111113024221 is a prime.

It is a super-2 number, since 2×1111130242372 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111113024227) by changing a digit.

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 as a sum of consecutive naturals, namely, 55556512118 + 55556512119.

It is an arithmetic number, because the mean of its divisors is an integer number (55556512119).

Almost surely, 2111113024237 is an apocalyptic number.

It is an amenable number.

111113024237 is a deficient number, since it is larger than the sum of its proper divisors (1).

111113024237 is an equidigital number, since it uses as much as digits as its factorization.

111113024237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 111113024237 its reverse (732420311111), we get a palindrome (843533335348).

The spelling of 111113024237 in words is "one hundred eleven billion, one hundred thirteen million, twenty-four thousand, two hundred thirty-seven".