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144420324132 = 223715710950889
BaseRepresentation
bin1000011010000000011…
…1110100001100100100
3111210202220022121111210
42012200013310030210
54331233100333012
6150202404431420
713301604333450
oct2064007641444
9453686277453
10144420324132
1156280565087
1223ba60a8570
13108075bcac6
146dc0717660
153b53d2223c
hex21a01f4324

144420324132 has 48 divisors (see below), whose sum is σ = 387573898880. Its totient is φ = 41000124672.

The previous prime is 144420324067. The next prime is 144420324149. The reversal of 144420324132 is 231423024441.

It is a self number, because there is not a number n which added to its sum of digits gives 144420324132.

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, 5462257 + ... + 5488632.

Almost surely, 2144420324132 is an apocalyptic number.

144420324132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144420324132 is an abundant number, since it is smaller than the sum of its proper divisors (243153574748).

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

144420324132 is a wasteful number, since it uses less digits than its factorization.

144420324132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10951060 (or 10951058 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 144420324132 its reverse (231423024441), we get a palindrome (375843348573).

The spelling of 144420324132 in words is "one hundred forty-four billion, four hundred twenty million, three hundred twenty-four thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 157 314 471 628 942 1099 1884 2198 3297 4396 6594 13188 10950889 21901778 32852667 43803556 65705334 76656223 131410668 153312446 229968669 306624892 459937338 919874676 1719289573 3438579146 5157868719 6877158292 10315737438 12035027011 20631474876 24070054022 36105081033 48140108044 72210162066 144420324132