Search a number
-
+
9011010109 is a prime number
BaseRepresentation
bin10000110010001100…
…10001101000111101
3212020222210202001011
420121012101220331
5121423304310414
64050053115221
7436205215333
oct103106215075
925228722034
109011010109
1139045312a2
1218b5928b11
13b07b3685a
14616a7db53
1537b153dc4
hex219191a3d

9011010109 has 2 divisors, whose sum is σ = 9011010110. Its totient is φ = 9011010108.

The previous prime is 9011010083. The next prime is 9011010119. The reversal of 9011010109 is 9010101109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6029522500 + 2981487609 = 77650^2 + 54603^2 .

It is an emirp because it is prime and its reverse (9010101109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9011010109 - 25 = 9011010077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9011010109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9011010119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4505505054 + 4505505055.

It is an arithmetic number, because the mean of its divisors is an integer number (4505505055).

Almost surely, 29011010109 is an apocalyptic number.

It is an amenable number.

9011010109 is a deficient number, since it is larger than the sum of its proper divisors (1).

9011010109 is an equidigital number, since it uses as much as digits as its factorization.

9011010109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 22.

The square root of 9011010109 is about 94926.3404382577. The cubic root of 9011010109 is about 2080.9316977543.

The spelling of 9011010109 in words is "nine billion, eleven million, ten thousand, one hundred nine".