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10001100997 is a prime number
BaseRepresentation
bin10010101000001110…
…01011000011000101
3221210222211120102001
421110013023003011
5130440240212442
64332222145301
7502556645566
oct112407130305
927728746361
1010001100997
1142723a7228
121b31422231
13c34cb4654
146ac36c16d
153d80292b7
hex2541cb0c5

10001100997 has 2 divisors, whose sum is σ = 10001100998. Its totient is φ = 10001100996.

The previous prime is 10001100953. The next prime is 10001101009. The reversal of 10001100997 is 79900110001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9786947041 + 214153956 = 98929^2 + 14634^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001100997 - 27 = 10001100869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001100937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000550498 + 5000550499.

It is an arithmetic number, because the mean of its divisors is an integer number (5000550499).

Almost surely, 210001100997 is an apocalyptic number.

It is an amenable number.

10001100997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001100997 is an equidigital number, since it uses as much as digits as its factorization.

10001100997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 28.

Adding to 10001100997 its reverse (79900110001), we get a palindrome (89901210998).

The spelling of 10001100997 in words is "ten billion, one million, one hundred thousand, nine hundred ninety-seven".