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30220311222100 = 225219311376595683
BaseRepresentation
bin1101101111100001101101…
…11010100101011101010100
310222000000220110010102200201
412313300312322211131110
512430112144133101400
6144135004101150244
76236226325026166
oct667606672453524
9128000813112621
1030220311222100
1196a13a893001a
123480a950bb384
1313b29bc762a2c
14766956c08936
1537617649306a
hex1b7c36ea5754

30220311222100 has 288 divisors, whose sum is σ = 71897998233600. Its totient is φ = 10982969625600.

The previous prime is 30220311222089. The next prime is 30220311222103. The reversal of 30220311222100 is 122211302203.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220311222103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5317665859 + ... + 5317671541.

It is an arithmetic number, because the mean of its divisors is an integer number (249645827200).

Almost surely, 230220311222100 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 30220311222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35948999116800).

30220311222100 is an abundant number, since it is smaller than the sum of its proper divisors (41677687011500).

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

30220311222100 is a wasteful number, since it uses less digits than its factorization.

30220311222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6543 (or 6536 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30220311222100 its reverse (122211302203), we get a palindrome (30342522524303).

The spelling of 30220311222100 in words is "thirty trillion, two hundred twenty billion, three hundred eleven million, two hundred twenty-two thousand, one hundred".