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103111120312 = 2312888890039
BaseRepresentation
bin110000000000111100…
…1101101010110111000
3100212010222202121222221
41200001321231112320
53142132421322222
6115211341053424
710310122030054
oct1400171552670
9325128677887
10103111120312
113a8025a2912
1217b97857274
13995322c235
144dc2310c64
152a3742d0c7
hex1801e6d5b8

103111120312 has 8 divisors (see below), whose sum is σ = 193333350600. Its totient is φ = 51555560152.

The previous prime is 103111120297. The next prime is 103111120327. The reversal of 103111120312 is 213021111301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (103111120297) and next prime (103111120327).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6444445012 + ... + 6444445027.

It is an arithmetic number, because the mean of its divisors is an integer number (24166668825).

Almost surely, 2103111120312 is an apocalyptic number.

It is an amenable number.

103111120312 is a deficient number, since it is larger than the sum of its proper divisors (90222230288).

103111120312 is a wasteful number, since it uses less digits than its factorization.

103111120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12888890045 (or 12888890041 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 103111120312 its reverse (213021111301), we get a palindrome (316132231613).

The spelling of 103111120312 in words is "one hundred three billion, one hundred eleven million, one hundred twenty thousand, three hundred twelve".

Divisors: 1 2 4 8 12888890039 25777780078 51555560156 103111120312