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22230120144 = 243743623321
BaseRepresentation
bin10100101101000001…
…001011011011010000
32010101020220002222010
4110231001023123100
5331011402321034
614113512342520
71414611621621
oct245501133320
963336802863
1022230120144
119478361321
1243849a4a40
132133723b5b
14110c563a48
158a19373e9
hex52d04b6d0

22230120144 has 40 divisors (see below), whose sum is σ = 57505194432. Its totient is φ = 7400055040.

The previous prime is 22230120097. The next prime is 22230120163. The reversal of 22230120144 is 44102103222.

It is a self number, because there is not a number n which added to its sum of digits gives 22230120144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275997 + ... + 347324.

Almost surely, 222230120144 is an apocalyptic number.

22230120144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22230120144 is an abundant number, since it is smaller than the sum of its proper divisors (35275074288).

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

22230120144 is a wasteful number, since it uses less digits than its factorization.

22230120144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624075 (or 624069 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22230120144 its reverse (44102103222), we get a palindrome (66332223366).

The spelling of 22230120144 in words is "twenty-two billion, two hundred thirty million, one hundred twenty thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 743 1486 2229 2972 4458 5944 8916 11888 17832 35664 623321 1246642 1869963 2493284 3739926 4986568 7479852 9973136 14959704 29919408 463127503 926255006 1389382509 1852510012 2778765018 3705020024 5557530036 7410040048 11115060072 22230120144