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1213051583089 is a prime number
BaseRepresentation
bin10001101001101111100…
…000100011101001110001
311021222002122120020010201
4101221233200203221301
5124333312201124324
62325133533155201
7153432356220463
oct21515740435161
94258078506121
101213051583089
114284a7aa36a5
1217712062bb01
138a50c57a538
14429d7a80133
152184a92b444
hex11a6f823a71

1213051583089 has 2 divisors, whose sum is σ = 1213051583090. Its totient is φ = 1213051583088.

The previous prime is 1213051583069. The next prime is 1213051583111. The reversal of 1213051583089 is 9803851503121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 969864523489 + 243187059600 = 984817^2 + 493140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213051583089 - 211 = 1213051581041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213051583069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606525791544 + 606525791545.

It is an arithmetic number, because the mean of its divisors is an integer number (606525791545).

Almost surely, 21213051583089 is an apocalyptic number.

It is an amenable number.

1213051583089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213051583089 is an equidigital number, since it uses as much as digits as its factorization.

1213051583089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 1213051583089 in words is "one trillion, two hundred thirteen billion, fifty-one million, five hundred eighty-three thousand, eighty-nine".