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144404113012987 is a prime number
BaseRepresentation
bin100000110101010110110011…
…110111000011100011111011
3200221021220020220212022122111
4200311112303313003203323
5122411404110412403422
61231042200025233151
742262565352160552
oct4065266367034373
9627256226768574
10144404113012987
11420144932087a3
12142425993327b7
136276331cb7759
1427932a6b60d99
1511a6437edaa77
hex8355b3dc38fb

144404113012987 has 2 divisors, whose sum is σ = 144404113012988. Its totient is φ = 144404113012986.

The previous prime is 144404113012981. The next prime is 144404113013047. The reversal of 144404113012987 is 789210311404441.

It is a weak prime.

It is an emirp because it is prime and its reverse (789210311404441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144404113012987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144404113012987.

It is not a weakly prime, because it can be changed into another prime (144404113012981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72202056506493 + 72202056506494.

It is an arithmetic number, because the mean of its divisors is an integer number (72202056506494).

Almost surely, 2144404113012987 is an apocalyptic number.

144404113012987 is a deficient number, since it is larger than the sum of its proper divisors (1).

144404113012987 is an equidigital number, since it uses as much as digits as its factorization.

144404113012987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 144404113012987 in words is "one hundred forty-four trillion, four hundred four billion, one hundred thirteen million, twelve thousand, nine hundred eighty-seven".