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144666122500 = 225476072
BaseRepresentation
bin1000011010111011000…
…1011101100100000100
3111211102000211110111001
42012232301131210010
54332234011410000
6150243025023044
713310650515664
oct2065661354404
9454360743431
10144666122500
1156397289029
1224054484a84
13108464c0c23
14700521c1a4
153b6a6c646a
hex21aec5d904

144666122500 has 45 divisors (see below), whose sum is σ = 316397469619. Its totient is φ = 57858842000.

The previous prime is 144666122479. The next prime is 144666122527. The reversal of 144666122500 is 5221666441.

The square root of 144666122500 is 380350.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 11341824004 + 133324298496 = 106498^2 + 365136^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144666122500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 19013697 + ... + 19021303.

Almost surely, 2144666122500 is an apocalyptic number.

144666122500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144666122500 is the 380350-th square number.

It is an amenable number.

144666122500 is an abundant number, since it is smaller than the sum of its proper divisors (171731347119).

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

144666122500 is an frugal number, since it uses more digits than its factorization.

144666122500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15238 (or 7614 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 144666122500 its reverse (5221666441), we get a palindrome (149887788941).

The spelling of 144666122500 in words is "one hundred forty-four billion, six hundred sixty-six million, one hundred twenty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 2500 7607 15214 30428 38035 76070 152140 190175 380350 760700 950875 1901750 3803500 4754375 9508750 19017500 57866449 115732898 231465796 289332245 578664490 1157328980 1446661225 2893322450 5786644900 7233306125 14466612250 28933224500 36166530625 72333061250 144666122500