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30312113444200 = 23527191837962003
BaseRepresentation
bin1101110010001100101101…
…10000010001010101101000
310222022210212022012111202201
412321012112300101111220
512433113202020203300
6144245105341305544
76245656300033450
oct671062660212550
9128283768174681
1030312113444200
119727327893265
1234968355652b4
1313bb55ca72603
1476b1851dad60
1537874ab6666a
hex1b9196c11568

30312113444200 has 192 divisors, whose sum is σ = 84788733888000. Its totient is φ = 9845044611840.

The previous prime is 30312113444183. The next prime is 30312113444209. The reversal of 30312113444200 is 244431121303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (30312113444209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 488850399 + ... + 488912401.

It is an arithmetic number, because the mean of its divisors is an integer number (441607989000).

Almost surely, 230312113444200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30312113444200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42394366944000).

30312113444200 is an abundant number, since it is smaller than the sum of its proper divisors (54476620443800).

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

30312113444200 is a wasteful number, since it uses less digits than its factorization.

30312113444200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80424 (or 80415 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 30312113444200 its reverse (244431121303), we get a palindrome (30556544565503).

The spelling of 30312113444200 in words is "thirty trillion, three hundred twelve billion, one hundred thirteen million, four hundred forty-four thousand, two hundred".