Search a number
-
+
69122222189 is a prime number
BaseRepresentation
bin100000001100000000…
…0010110100001101101
320121102020122201002022
41000120000112201231
52113030242102224
651430533035525
74664625123446
oct1003000264155
9217366581068
1069122222189
1127350768669
1211490a85ba5
1366976319b7
1434ba2022cd
151be852365e
hex101801686d

69122222189 has 2 divisors, whose sum is σ = 69122222190. Its totient is φ = 69122222188.

The previous prime is 69122222159. The next prime is 69122222209. The reversal of 69122222189 is 98122222196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50464028164 + 18658194025 = 224642^2 + 136595^2 .

It is a cyclic number.

It is not a de Polignac number, because 69122222189 - 28 = 69122221933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69122222149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34561111094 + 34561111095.

It is an arithmetic number, because the mean of its divisors is an integer number (34561111095).

Almost surely, 269122222189 is an apocalyptic number.

It is an amenable number.

69122222189 is a deficient number, since it is larger than the sum of its proper divisors (1).

69122222189 is an equidigital number, since it uses as much as digits as its factorization.

69122222189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 44.

The spelling of 69122222189 in words is "sixty-nine billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred eighty-nine".