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103112312200 = 23521927134819
BaseRepresentation
bin110000000000111111…
…0010000010110001000
3100212011002000011221221
41200001332100112020
53142133222442300
6115211422411424
710310135123002
oct1400176202610
9325132004857
10103112312200
113a803237347
1217b98130b74
1399535588b1
144dc2541372
152a375b631a
hex1801f90588

103112312200 has 48 divisors (see below), whose sum is σ = 252353826000. Its totient is φ = 39074137920.

The previous prime is 103112312167. The next prime is 103112312203. The reversal of 103112312200 is 2213211301.

It is not an unprimeable number, because it can be changed into a prime (103112312203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13563610 + ... + 13571209.

It is an arithmetic number, because the mean of its divisors is an integer number (5257371375).

Almost surely, 2103112312200 is an apocalyptic number.

103112312200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103112312200 is an abundant number, since it is smaller than the sum of its proper divisors (149241513800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103112312200 is a wasteful number, since it uses less digits than its factorization.

103112312200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27134854 (or 27134845 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103112312200 its reverse (2213211301), we get a palindrome (105325523501).

The spelling of 103112312200 in words is "one hundred three billion, one hundred twelve million, three hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 152 190 200 380 475 760 950 1900 3800 27134819 54269638 108539276 135674095 217078552 271348190 515561561 542696380 678370475 1031123122 1085392760 1356740950 2062246244 2577807805 2713481900 4124492488 5155615610 5426963800 10311231220 12889039025 20622462440 25778078050 51556156100 103112312200