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111012197 = 4317314923
BaseRepresentation
bin1101001110111…
…10100101100101
321201220000002212
412213132211211
5211404342242
615003213205
72515405502
oct647364545
9251800085
10111012197
115773311a
1231217205
1319ccacba
1410a5a4a9
159b2c782
hex69de965

111012197 has 8 divisors (see below), whose sum is σ = 114258144. Its totient is φ = 107796528.

The previous prime is 111012149. The next prime is 111012199. The reversal of 111012197 is 791210111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111012197 - 214 = 110995813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23 + ... + 14900.

It is an arithmetic number, because the mean of its divisors is an integer number (14282268).

Almost surely, 2111012197 is an apocalyptic number.

It is an amenable number.

111012197 is a deficient number, since it is larger than the sum of its proper divisors (3245947).

111012197 is a wasteful number, since it uses less digits than its factorization.

111012197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15139.

The product of its (nonzero) digits is 126, while the sum is 23.

The square root of 111012197 is about 10536.2325809561. The cubic root of 111012197 is about 480.6071555810.

The spelling of 111012197 in words is "one hundred eleven million, twelve thousand, one hundred ninety-seven".

Divisors: 1 43 173 7439 14923 641689 2581679 111012197