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30100111200 = 25325217472393
BaseRepresentation
bin11100000010000110…
…110011111101100000
32212200201200002010100
4130002012303331200
5443121112024300
621454445502400
72113623503145
oct340206637540
985621602110
1030100111200
1111846801065
125a00571a00
132ab90473b3
1416578683cc
15bb2801700
hex7021b3f60

30100111200 has 216 divisors, whose sum is σ = 106245652968. Its totient is φ = 8018749440.

The previous prime is 30100111193. The next prime is 30100111289. The reversal of 30100111200 is 211100103.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12577204 + ... + 12579596.

It is an arithmetic number, because the mean of its divisors is an integer number (491878023).

Almost surely, 230100111200 is an apocalyptic number.

30100111200 is a gapful number since it is divisible by the number (30) 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 30100111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53122826484).

30100111200 is an abundant number, since it is smaller than the sum of its proper divisors (76145541768).

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

30100111200 is a wasteful number, since it uses less digits than its factorization.

30100111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166 (or 4150 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 30100111200 its reverse (211100103), we get a palindrome (30311211303).

The spelling of 30100111200 in words is "thirty billion, one hundred million, one hundred eleven thousand, two hundred".