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112111021009 = 13101715911927
BaseRepresentation
bin110100001101001010…
…1100110101111010001
3101201101012122221210101
41220122111212233101
53314100410133014
6123300400132401
711046133645441
oct1503225465721
9351335587711
10112111021009
1143600826479
1219889907101
13a758976270
1455d76dc121
152db25da474
hex1a1a566bd1

112111021009 has 16 divisors (see below), whose sum is σ = 121957597440. Its totient is φ = 102439569600.

The previous prime is 112111020949. The next prime is 112111021039. The reversal of 112111021009 is 900120111211.

It is a cyclic number.

It is not a de Polignac number, because 112111021009 - 223 = 112102632401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112111021039) 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 15 ways as a sum of consecutive naturals, for example, 9393804 + ... + 9405730.

It is an arithmetic number, because the mean of its divisors is an integer number (7622349840).

Almost surely, 2112111021009 is an apocalyptic number.

It is an amenable number.

112111021009 is a deficient number, since it is larger than the sum of its proper divisors (9846576431).

112111021009 is a wasteful number, since it uses less digits than its factorization.

112111021009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19200.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 112111021009 in words is "one hundred twelve billion, one hundred eleven million, twenty-one thousand, nine".

Divisors: 1 13 101 1313 7159 11927 93067 155051 723059 1204627 9399767 15660151 85385393 1110010109 8623924693 112111021009