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103112100111 = 3294128907233
BaseRepresentation
bin110000000000111110…
…1011100100100001111
3100212011001121102000210
41200001331130210033
53142133144200421
6115211414053503
710310133250446
oct1400175344417
9325131542023
10103112100111
113a803101a69
1217b9804a293
1399534b31b7
144dc24c7d5d
152a37573576
hex1801f5c90f

103112100111 has 16 divisors (see below), whose sum is σ = 145692459360. Its totient is φ = 64752199680.

The previous prime is 103112100107. The next prime is 103112100127. The reversal of 103112100111 is 111001211301.

It is not a de Polignac number, because 103112100111 - 22 = 103112100107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103112100191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14450050 + ... + 14457183.

It is an arithmetic number, because the mean of its divisors is an integer number (9105778710).

Almost surely, 2103112100111 is an apocalyptic number.

103112100111 is a deficient number, since it is larger than the sum of its proper divisors (42580359249).

103112100111 is a wasteful number, since it uses less digits than its factorization.

103112100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28907306.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 103112100111 its reverse (111001211301), we get a palindrome (214113311412).

The spelling of 103112100111 in words is "one hundred three billion, one hundred twelve million, one hundred thousand, one hundred eleven".

Divisors: 1 3 29 41 87 123 1189 3567 28907233 86721699 838309757 1185196553 2514929271 3555589659 34370700037 103112100111