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144242020012 = 22101389917827
BaseRepresentation
bin1000011001010101111…
…1101000111010101100
3111210022110210211020111
42012111133220322230
54330401424120022
6150132555025404
713264310640406
oct2062537507254
9453273724214
10144242020012
1156199950602
1223b5643b264
13107a9690acc
146da4b81b76
153b43351477
hex21957e8eac

144242020012 has 24 divisors (see below), whose sum is σ = 255578384880. Its totient is φ = 71223297600.

The previous prime is 144242020007. The next prime is 144242020031. The reversal of 144242020012 is 210020242441.

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, 301758 + ... + 616069.

It is an arithmetic number, because the mean of its divisors is an integer number (10649099370).

Almost surely, 2144242020012 is an apocalyptic number.

It is an amenable number.

144242020012 is a deficient number, since it is larger than the sum of its proper divisors (111336364868).

144242020012 is a wasteful number, since it uses less digits than its factorization.

144242020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918321 (or 918319 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 144242020012 its reverse (210020242441), we get a palindrome (354262262453).

The spelling of 144242020012 in words is "one hundred forty-four billion, two hundred forty-two million, twenty thousand, twelve".

Divisors: 1 2 4 101 202 389 404 778 1556 39289 78578 157156 917827 1835654 3671308 92700527 185401054 357034703 370802108 714069406 1428138812 36060505003 72121010006 144242020012