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144420214544 = 2417352174933
BaseRepresentation
bin1000011010000000011…
…1011001011100010000
3111210202220010001011222
42012200013121130100
54331233033331134
6150202402224212
713301603366114
oct2064007313420
9453686101158
10144420214544
115628049a811
1223ba6055068
1310807581c68
146dc06c9744
153b53ceea2e
hex21a01d9710

144420214544 has 20 divisors (see below), whose sum is σ = 281431593996. Its totient is φ = 71792706432.

The previous prime is 144420214501. The next prime is 144420214567. The reversal of 144420214544 is 445412024441.

144420214544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 134542240000 + 9877974544 = 366800^2 + 99388^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26084699 + ... + 26090234.

Almost surely, 2144420214544 is an apocalyptic number.

It is an amenable number.

144420214544 is a deficient number, since it is larger than the sum of its proper divisors (137011379452).

144420214544 is a wasteful number, since it uses less digits than its factorization.

144420214544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52175114 (or 52175108 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 144420214544 its reverse (445412024441), we get a palindrome (589832238985).

The spelling of 144420214544 in words is "one hundred forty-four billion, four hundred twenty million, two hundred fourteen thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 173 346 692 1384 2768 52174933 104349866 208699732 417399464 834798928 9026263409 18052526818 36105053636 72210107272 144420214544