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30191485585680 = 24335438911713119
BaseRepresentation
bin1101101110101100000001…
…10001100000100100010000
310221220021111112121101022000
412313112000301200210100
512424124130302220210
6144113435455514000
76234156105122646
oct667260061404420
9127807445541260
1030191485585680
119690156582801
12347738b528900
1313b0077787333
147653c0739196
1537553a9ddac0
hex1b7580c60910

30191485585680 has 640 divisors, whose sum is σ = 107733390336000. Its totient is φ = 7766340341760.

The previous prime is 30191485585649. The next prime is 30191485585699. The reversal of 30191485585680 is 8658558419103.

30191485585680 is a `hidden beast` number, since 3 + 0 + 1 + 9 + 1 + 48 + 5 + 585 + 6 + 8 + 0 = 666.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 9679859161 + ... + 9679862279.

It is an arithmetic number, because the mean of its divisors is an integer number (168333422400).

Almost surely, 230191485585680 is an apocalyptic number.

30191485585680 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 30191485585680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53866695168000).

30191485585680 is an abundant number, since it is smaller than the sum of its proper divisors (77541904750320).

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

30191485585680 is a wasteful number, since it uses less digits than its factorization.

30191485585680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444 (or 4432 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 63.

The spelling of 30191485585680 in words is "thirty trillion, one hundred ninety-one billion, four hundred eighty-five million, five hundred eighty-five thousand, six hundred eighty".