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103681221600 = 253521121922343
BaseRepresentation
bin110000010001111100…
…0011110001111100000
3100220121201111202221110
41200203320132033200
53144314343042400
6115344104223320
710330213561665
oct1404370361740
9326551452843
10103681221600
113aa7538a400
121811676ab40
139a14389c88
145037d13a6c
152a6c4e1e50
hex1823e1e3e0

103681221600 has 1296 divisors, whose sum is σ = 418025494656. Its totient is φ = 22246963200.

The previous prime is 103681221593. The next prime is 103681221601. The reversal of 103681221600 is 6122186301.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103681221601) 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 215 ways as a sum of consecutive naturals, for example, 2411191179 + ... + 2411191221.

It is an arithmetic number, because the mean of its divisors is an integer number (322550536).

Almost surely, 2103681221600 is an apocalyptic number.

103681221600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103681221600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209012747328).

103681221600 is an abundant number, since it is smaller than the sum of its proper divisors (314344273056).

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

103681221600 is a wasteful number, since it uses less digits than its factorization.

103681221600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 103681221600 in words is "one hundred three billion, six hundred eighty-one million, two hundred twenty-one thousand, six hundred".