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11112000197 = 39799279203
BaseRepresentation
bin10100101100101001…
…11010101011000101
31001200102012002121212
422112110322223011
5140224133001242
65034344421205
7542236305014
oct122624725305
931612162555
1011112000197
114792486241
1221a1477805
1310811b025c
14775b06a7b
15450814782
hex29653aac5

11112000197 has 4 divisors (see below), whose sum is σ = 11112319200. Its totient is φ = 11111681196.

The previous prime is 11112000181. The next prime is 11112000259. The reversal of 11112000197 is 79100021111.

It is a happy number.

11112000197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79100021111 = 277285559643.

It is a cyclic number.

It is not a de Polignac number, because 11112000197 - 24 = 11112000181 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 (11112002197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99803 + ... + 179400.

It is an arithmetic number, because the mean of its divisors is an integer number (2778079800).

Almost surely, 211112000197 is an apocalyptic number.

It is an amenable number.

11112000197 is a deficient number, since it is larger than the sum of its proper divisors (319003).

11112000197 is an equidigital number, since it uses as much as digits as its factorization.

11112000197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319002.

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

The spelling of 11112000197 in words is "eleven billion, one hundred twelve million, one hundred ninety-seven", and thus it is an aban number.

Divisors: 1 39799 279203 11112000197