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94091220000 = 2534542412
BaseRepresentation
bin101011110100001000…
…1100001010000100000
322222212101020012220000
41113220101201100200
53020144323020000
6111120325220000
76540445113441
oct1275021412040
9288771205800
1094091220000
11369a404a248
121629ab61600
138b4660200b
1447a83d92c8
1526aa620000
hex15e8461420

94091220000 has 450 divisors, whose sum is σ = 347229654849. Its totient is φ = 24986880000.

The previous prime is 94091219953. The next prime is 94091220017. The reversal of 94091220000 is 2219049.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 8 ways, for example, as 36144144 + 94055075856 = 6012^2 + 306684^2 .

It is a tau number, because it is divible by the number of its divisors (450).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=216900.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 390419880 + ... + 390420120.

Almost surely, 294091220000 is an apocalyptic number.

94091220000 is a gapful number since it is divisible by the number (90) 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 94091220000

94091220000 is an abundant number, since it is smaller than the sum of its proper divisors (253138434849).

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

94091220000 is an frugal number, since it uses more digits than its factorization.

94091220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

Adding to 94091220000 its reverse (2219049), we get a palindrome (94093439049).

The spelling of 94091220000 in words is "ninety-four billion, ninety-one million, two hundred twenty thousand".