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22160881824 = 253376238987
BaseRepresentation
bin10100101000111001…
…000011100010100000
32010012102121102211220
4110220321003202200
5330341141204244
614103000335040
71413111246624
oct245071034240
963172542756
1022160881824
119442270574
124365774480
132122290c33
14110329d184
1589a80c319
hex528e438a0

22160881824 has 48 divisors (see below), whose sum is σ = 59744549088. Its totient is φ = 7187311872.

The previous prime is 22160881807. The next prime is 22160881843. The reversal of 22160881824 is 42818806122.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×221608818242 (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 3115942 + ... + 3123045.

It is an arithmetic number, because the mean of its divisors is an integer number (1244678106).

Almost surely, 222160881824 is an apocalyptic number.

22160881824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22160881824 is an abundant number, since it is smaller than the sum of its proper divisors (37583667264).

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

22160881824 is a wasteful number, since it uses less digits than its factorization.

22160881824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239037 (or 6239029 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The spelling of 22160881824 in words is "twenty-two billion, one hundred sixty million, eight hundred eighty-one thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 37 48 74 96 111 148 222 296 444 592 888 1184 1776 3552 6238987 12477974 18716961 24955948 37433922 49911896 74867844 99823792 149735688 199647584 230842519 299471376 461685038 598942752 692527557 923370076 1385055114 1846740152 2770110228 3693480304 5540220456 7386960608 11080440912 22160881824