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112121200987 = 676592539379
BaseRepresentation
bin110100001101011110…
…0011100000101011011
3101201101220211011002121
41220122330130011123
53314111011412422
6123301402242111
711046316324615
oct1503274340533
9351356734077
10112121200987
1143606549884
12198911b6337
13a75aacba13
1455d8bcbdb5
152db344b8c7
hex1a1af1c15b

112121200987 has 8 divisors (see below), whose sum is σ = 113967374400. Its totient is φ = 110280107784.

The previous prime is 112121200967. The next prime is 112121200993. The reversal of 112121200987 is 789002121211.

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

It is a cyclic number.

It is not a de Polignac number, because 112121200987 - 223 = 112112812379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121200967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225537 + ... + 1313842.

It is an arithmetic number, because the mean of its divisors is an integer number (14245921800).

Almost surely, 2112121200987 is an apocalyptic number.

112121200987 is a deficient number, since it is larger than the sum of its proper divisors (1846173413).

112121200987 is an equidigital number, since it uses as much as digits as its factorization.

112121200987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540105.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 112121200987 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred thousand, nine hundred eighty-seven".

Divisors: 1 67 659 44153 2539379 170138393 1673450761 112121200987