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144204313081 is a prime number
BaseRepresentation
bin1000011001001100111…
…1110011000111111001
3111210012211212010001111
42012103033303013321
54330312301004311
6150125130520321
713263342302563
oct2062317630771
9453184763044
10144204313081
115617a636854
1223b458960a1
13107a191ac0a
146d9db68333
153b3eda3d21
hex21933f31f9

144204313081 has 2 divisors, whose sum is σ = 144204313082. Its totient is φ = 144204313080.

The previous prime is 144204313021. The next prime is 144204313103. The reversal of 144204313081 is 180313402441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132721047481 + 11483265600 = 364309^2 + 107160^2 .

It is a cyclic number.

It is not a de Polignac number, because 144204313081 - 213 = 144204304889 is a prime.

It is a super-2 number, since 2×1442043130812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144204313021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72102156540 + 72102156541.

It is an arithmetic number, because the mean of its divisors is an integer number (72102156541).

Almost surely, 2144204313081 is an apocalyptic number.

It is an amenable number.

144204313081 is a deficient number, since it is larger than the sum of its proper divisors (1).

144204313081 is an equidigital number, since it uses as much as digits as its factorization.

144204313081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 144204313081 in words is "one hundred forty-four billion, two hundred four million, three hundred thirteen thousand, eighty-one".