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111010001001101 = 163681042950927
BaseRepresentation
bin11001001111011010000111…
…101011010001101010001101
3112120001110012211121200222022
4121033122013223101222031
5104022241440224013401
61032033142422255525
732245131211420316
oct3117320753215215
9476043184550868
10111010001001101
113240a0935a4254
121054a5948875a5
1349c3276518017
141d5acac6cb60d
15cc7958e8371b
hex64f687ad1a8d

111010001001101 has 4 divisors (see below), whose sum is σ = 111691043952192. Its totient is φ = 110328958050012.

The previous prime is 111010001001077. The next prime is 111010001001167. The reversal of 111010001001101 is 101100100010111.

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 111010001001101 - 214 = 111010000984717 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 (111010001001191) 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, 340521475301 + ... + 340521475626.

It is an arithmetic number, because the mean of its divisors is an integer number (27922760988048).

Almost surely, 2111010001001101 is an apocalyptic number.

It is an amenable number.

111010001001101 is a deficient number, since it is larger than the sum of its proper divisors (681042951091).

111010001001101 is an equidigital number, since it uses as much as digits as its factorization.

111010001001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681042951090.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 111010001001101 its reverse (101100100010111), we get a palindrome (212110101011212).

The spelling of 111010001001101 in words is "one hundred eleven trillion, ten billion, one million, one thousand, one hundred one".

Divisors: 1 163 681042950927 111010001001101