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103110102100 = 225210110208921
BaseRepresentation
bin110000000000111010…
…1110100110001010100
3100212010220211220021101
41200001311310301110
53142132141231400
6115211303155444
710310110256365
oct1400165646124
9325126756241
10103110102100
113a801a67915
1217b97445b84
139952c63945
144dc2127b6c
152a372cb56a
hex1801d74c54

103110102100 has 36 divisors (see below), whose sum is σ = 225964279548. Its totient is φ = 40835680000.

The previous prime is 103110102083. The next prime is 103110102107. The reversal of 103110102100 is 1201011301.

103110102100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 15941082564 + 87169019536 = 126258^2 + 295244^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103110102107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5094361 + ... + 5114560.

It is an arithmetic number, because the mean of its divisors is an integer number (6276785543).

Almost surely, 2103110102100 is an apocalyptic number.

103110102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103110102100 is an abundant number, since it is smaller than the sum of its proper divisors (122854177448).

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

103110102100 is a wasteful number, since it uses less digits than its factorization.

103110102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10209036 (or 10209029 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 103110102100 its reverse (1201011301), we get a palindrome (104311113401).

The spelling of 103110102100 in words is "one hundred three billion, one hundred ten million, one hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101 202 404 505 1010 2020 2525 5050 10100 10208921 20417842 40835684 51044605 102089210 204178420 255223025 510446050 1020892100 1031101021 2062202042 4124404084 5155505105 10311010210 20622020420 25777525525 51555051050 103110102100