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10002212789 is a prime number
BaseRepresentation
bin10010101000010110…
…11010011110110101
3221211001221001111112
421110023122132311
5130441031302124
64332302044405
7502602256142
oct112413323665
927731831445
1010002212789
114272a96568
121b31879705
13c352b370a
146ac57b3c9
153d819890e
hex2542da7b5

10002212789 has 2 divisors, whose sum is σ = 10002212790. Its totient is φ = 10002212788.

The previous prime is 10002212783. The next prime is 10002212821. The reversal of 10002212789 is 98721220001.

It is a happy number.

It is an a-pointer prime, because the next prime (10002212821) can be obtained adding 10002212789 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8675432164 + 1326780625 = 93142^2 + 36425^2 .

It is an emirp because it is prime and its reverse (98721220001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10002212789 - 212 = 10002208693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10002212783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001106394 + 5001106395.

It is an arithmetic number, because the mean of its divisors is an integer number (5001106395).

Almost surely, 210002212789 is an apocalyptic number.

It is an amenable number.

10002212789 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002212789 is an equidigital number, since it uses as much as digits as its factorization.

10002212789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 10002212789 in words is "ten billion, two million, two hundred twelve thousand, seven hundred eighty-nine".