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111001412011 = 733171020881
BaseRepresentation
bin110011101100000110…
…0110010000110101011
3101121111212201222101211
41213120030302012223
53304312330141021
6122554321253551
711006501302000
oct1473014620653
9347455658354
10111001412011
1143091448846
121961a1942b7
13a60cb0c9a9
1455301bb8a7
152d49ea73e1
hex19d83321ab

111001412011 has 16 divisors (see below), whose sum is σ = 129856190400. Its totient is φ = 94843835520.

The previous prime is 111001412009. The next prime is 111001412021. The reversal of 111001412011 is 110214100111.

It is not a de Polignac number, because 111001412011 - 21 = 111001412009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111001411982 and 111001412000.

It is not an unprimeable number, because it can be changed into a prime (111001412021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401710 + ... + 619171.

It is an arithmetic number, because the mean of its divisors is an integer number (8116011900).

Almost surely, 2111001412011 is an apocalyptic number.

111001412011 is a deficient number, since it is larger than the sum of its proper divisors (18854778389).

111001412011 is an equidigital number, since it uses as much as digits as its factorization.

111001412011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021219 (or 1021205 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111001412011 its reverse (110214100111), we get a palindrome (221215512122).

The spelling of 111001412011 in words is "one hundred eleven billion, one million, four hundred twelve thousand, eleven".

Divisors: 1 7 49 317 343 2219 15533 108731 1020881 7146167 50023169 323619277 350162183 2265334939 15857344573 111001412011