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111404412032101 = 139801470590159
BaseRepresentation
bin11001010101001001011100…
…011001111101010001100101
3112121110011021000120000211021
4121111021130121331101211
5104100222213440011401
61032534251431411141
732315463120030136
oct3125113431752145
9477404230500737
10111404412032101
1132551389315501
12105b2b08223ab1
134a21510c91ac6
141d720064b7c8d
15cd2d3ed862a1
hex65525c67d465

111404412032101 has 4 divisors (see below), whose sum is σ = 112205882622400. Its totient is φ = 110602941441804.

The previous prime is 111404412032087. The next prime is 111404412032129. The reversal of 111404412032101 is 101230214404111.

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 111404412032101 - 231 = 111402264548453 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 (111404412032191) 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, 400735294941 + ... + 400735295218.

It is an arithmetic number, because the mean of its divisors is an integer number (28051470655600).

Almost surely, 2111404412032101 is an apocalyptic number.

It is an amenable number.

111404412032101 is a deficient number, since it is larger than the sum of its proper divisors (801470590299).

111404412032101 is an equidigital number, since it uses as much as digits as its factorization.

111404412032101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801470590298.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 111404412032101 its reverse (101230214404111), we get a palindrome (212634626436212).

The spelling of 111404412032101 in words is "one hundred eleven trillion, four hundred four billion, four hundred twelve million, thirty-two thousand, one hundred one".

Divisors: 1 139 801470590159 111404412032101