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99015425568 = 25335913011493
BaseRepresentation
bin101110000110111000…
…1110111111000100000
3100110120112222210001000
41130031301313320200
53110240422104233
6113253112112000
710103460142053
oct1341561677040
9313515883030
1099015425568
1138aa0698824
1217234095600
13944c843817
144b143aaa9a
152897aa3d13
hex170dc77e20

99015425568 has 192 divisors, whose sum is σ = 294112425600. Its totient is φ = 32399078400.

The previous prime is 99015425567. The next prime is 99015425573. The reversal of 99015425568 is 86552451099.

99015425568 is a `hidden beast` number, since 9 + 9 + 0 + 1 + 54 + 25 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (99015425567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66319030 + ... + 66320522.

It is an arithmetic number, because the mean of its divisors is an integer number (1531835550).

Almost surely, 299015425568 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 99015425568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147056212800).

99015425568 is an abundant number, since it is smaller than the sum of its proper divisors (195097000032).

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

99015425568 is a wasteful number, since it uses less digits than its factorization.

99015425568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872 (or 2858 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 54.

The spelling of 99015425568 in words is "ninety-nine billion, fifteen million, four hundred twenty-five thousand, five hundred sixty-eight".