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10211000993 is a prime number
BaseRepresentation
bin10011000001001111…
…11000001010100001
3222100121210121001222
421200213320022201
5131403004012433
64405121104425
7511016035124
oct114047701241
928317717058
1010211000993
11436a9311a6
121b8b788115
13c69626b2b
146cc1aa3bb
153eb68bb98
hex2609f82a1

10211000993 has 2 divisors, whose sum is σ = 10211000994. Its totient is φ = 10211000992.

The previous prime is 10211000981. The next prime is 10211001019. The reversal of 10211000993 is 39900011201.

It is an a-pointer prime, because the next prime (10211001019) can be obtained adding 10211000993 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7345861264 + 2865139729 = 85708^2 + 53527^2 .

It is an emirp because it is prime and its reverse (39900011201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10211000993 - 26 = 10211000929 is a prime.

It is not a weakly prime, because it can be changed into another prime (10211000693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105500496 + 5105500497.

It is an arithmetic number, because the mean of its divisors is an integer number (5105500497).

Almost surely, 210211000993 is an apocalyptic number.

It is an amenable number.

10211000993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211000993 is an equidigital number, since it uses as much as digits as its factorization.

10211000993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 26.

The spelling of 10211000993 in words is "ten billion, two hundred eleven million, nine hundred ninety-three", and thus it is an aban number.