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112200111209 = 195905269011
BaseRepresentation
bin110100001111110100…
…1011101010001101001
3101201121102022012120102
41220133221131101221
53314241212024314
6123313301435145
711051265131564
oct1503751352151
9351542265512
10112200111209
114364704623a
12198b370bab5
13a77126a064
14560548d4db
152dba3375de
hex1a1fa5d469

112200111209 has 4 divisors (see below), whose sum is σ = 118105380240. Its totient is φ = 106294842180.

The previous prime is 112200111103. The next prime is 112200111263. The reversal of 112200111209 is 902111002211.

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.

It is a cyclic number.

It is not a de Polignac number, because 112200111209 - 216 = 112200045673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112200111409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2952634487 + ... + 2952634524.

It is an arithmetic number, because the mean of its divisors is an integer number (29526345060).

Almost surely, 2112200111209 is an apocalyptic number.

112200111209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

112200111209 is a deficient number, since it is larger than the sum of its proper divisors (5905269031).

112200111209 is an equidigital number, since it uses as much as digits as its factorization.

112200111209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5905269030.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 112200111209 in words is "one hundred twelve billion, two hundred million, one hundred eleven thousand, two hundred nine".

Divisors: 1 19 5905269011 112200111209