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69999901001 is a prime number
BaseRepresentation
bin100000100110001010…
…0011011100101001001
320200200102011102001222
41001030110123211021
52121324433313001
652054004451425
75025443225012
oct1011424334511
9220612142058
1069999901001
1127761134758
12116969a9b75
1367a7411584
1435609cc009
151c4a5e161b
hex104c51b949

69999901001 has 2 divisors, whose sum is σ = 69999901002. Its totient is φ = 69999901000.

The previous prime is 69999900989. The next prime is 69999901007. The reversal of 69999901001 is 10010999996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68455489600 + 1544411401 = 261640^2 + 39299^2 .

It is a cyclic number.

It is not a de Polignac number, because 69999901001 - 230 = 68926159177 is a prime.

It is a super-2 number, since 2×699999010012 (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (69999901007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34999950500 + 34999950501.

It is an arithmetic number, because the mean of its divisors is an integer number (34999950501).

Almost surely, 269999901001 is an apocalyptic number.

It is an amenable number.

69999901001 is a deficient number, since it is larger than the sum of its proper divisors (1).

69999901001 is an equidigital number, since it uses as much as digits as its factorization.

69999901001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 354294, while the sum is 53.

The spelling of 69999901001 in words is "sixty-nine billion, nine hundred ninety-nine million, nine hundred one thousand, one".