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22404453120 = 283357372503
BaseRepresentation
bin10100110111011010…
…001101001100000000
32010211101221010212000
4110313122031030000
5331341014444440
614143101104000
71422126465210
oct246732151400
963741833760
1022404453120
119557803265
124413258000
13216089246a
141127784240
158b1dc1730
hex53768d300

22404453120 has 576 divisors, whose sum is σ = 93355530240. Its totient is φ = 4980621312.

The previous prime is 22404453107. The next prime is 22404453151. The reversal of 22404453120 is 2135440422.

It is a tau number, because it is divible by the number of its divisors (576).

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8949789 + ... + 8952291.

Almost surely, 222404453120 is an apocalyptic number.

22404453120 is a gapful number since it is divisible by the number (20) 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 22404453120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46677765120).

22404453120 is an abundant number, since it is smaller than the sum of its proper divisors (70951077120).

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

22404453120 is a wasteful number, since it uses less digits than its factorization.

22404453120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577 (or 2557 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 22404453120 its reverse (2135440422), we get a palindrome (24539893542).

The spelling of 22404453120 in words is "twenty-two billion, four hundred four million, four hundred fifty-three thousand, one hundred twenty".