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144321124312220 = 22570465710240523
BaseRepresentation
bin100000110100001001100001…
…010110010010010010011100
3200220222222001021222111221112
4200310021201112102102130
5122404024130310442340
61230540113105321152
742253566666643622
oct4064114126222234
9626888037874845
10144321124312220
1141a92277259589
121422a4986361b8
13626b56792645b
14278d2730c1512
1511a41cc45b065
hex83426159249c

144321124312220 has 24 divisors (see below), whose sum is σ = 303074820753264. Its totient is φ = 57728362163456.

The previous prime is 144321124312153. The next prime is 144321124312243. The reversal of 144321124312220 is 22213421123441.

It is a congruent number.

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, 8972879 + ... + 19213401.

It is an arithmetic number, because the mean of its divisors is an integer number (12628117531386).

Almost surely, 2144321124312220 is an apocalyptic number.

144321124312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144321124312220 is an abundant number, since it is smaller than the sum of its proper divisors (158753696441044).

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

144321124312220 is a wasteful number, since it uses less digits than its factorization.

144321124312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10945189 (or 10945187 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 144321124312220 its reverse (22213421123441), we get a palindrome (166534545435661).

The spelling of 144321124312220 in words is "one hundred forty-four trillion, three hundred twenty-one billion, one hundred twenty-four million, three hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 704657 1409314 2818628 3523285 7046570 10240523 14093140 20481046 40962092 51202615 102405230 204810460 7216056215611 14432112431222 28864224862444 36080281078055 72160562156110 144321124312220