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11442230220 = 22351283148639
BaseRepresentation
bin10101010100000001…
…01001001111001100
31002112102120112001110
422222000221033030
5141413202331340
65131222412020
7553356231531
oct125200511714
932472515043
1011442230220
114941927a13
122273b91010
131104733935
147a7908d88
1546e7e5680
hex2aa0293cc

11442230220 has 48 divisors (see below), whose sum is σ = 32063431680. Its totient is φ = 3048862656.

The previous prime is 11442230197. The next prime is 11442230237. The reversal of 11442230220 is 2203224411.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2661 + ... + 151299.

It is an arithmetic number, because the mean of its divisors is an integer number (667988160).

Almost surely, 211442230220 is an apocalyptic number.

11442230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11442230220 is an abundant number, since it is smaller than the sum of its proper divisors (20621201460).

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

11442230220 is a wasteful number, since it uses less digits than its factorization.

11442230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149934 (or 149932 counting only the distinct ones).

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

Adding to 11442230220 its reverse (2203224411), we get a palindrome (13645454631).

The spelling of 11442230220 in words is "eleven billion, four hundred forty-two million, two hundred thirty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1283 2566 3849 5132 6415 7698 12830 15396 19245 25660 38490 76980 148639 297278 445917 594556 743195 891834 1486390 1783668 2229585 2972780 4459170 8918340 190703837 381407674 572111511 762815348 953519185 1144223022 1907038370 2288446044 2860557555 3814076740 5721115110 11442230220