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111104400023 = 187959129537
BaseRepresentation
bin110011101111001010…
…1101001101010010111
3101121210001112022101122
41213132111221222113
53310020211300043
6123012440514155
711012161550411
oct1473625515227
9347701468348
10111104400023
11431345a0201
121964877b95b
13a62825b546
14553db499b1
152d5404c368
hex19de569a97

111104400023 has 4 divisors (see below), whose sum is σ = 111163531440. Its totient is φ = 111045268608.

The previous prime is 111104399971. The next prime is 111104400091. The reversal of 111104400023 is 320004401111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320004401111 = 714507104241.

It is a cyclic number.

It is not a de Polignac number, because 111104400023 - 228 = 110835964567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111104399974 and 111104400010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111104409023) 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, 29562890 + ... + 29566647.

It is an arithmetic number, because the mean of its divisors is an integer number (27790882860).

Almost surely, 2111104400023 is an apocalyptic number.

111104400023 is a deficient number, since it is larger than the sum of its proper divisors (59131417).

111104400023 is an equidigital number, since it uses as much as digits as its factorization.

111104400023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59131416.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 111104400023 its reverse (320004401111), we get a palindrome (431108801134).

The spelling of 111104400023 in words is "one hundred eleven billion, one hundred four million, four hundred thousand, twenty-three".

Divisors: 1 1879 59129537 111104400023