Search a number
-
+
2845641137 is a prime number
BaseRepresentation
bin1010100110011101…
…0000100110110001
321100022120112210012
42221213100212301
521311441004022
61150211544305
7130342356563
oct25147204661
97308515705
102845641137
111230321339
12674bbb095
1336471a631
141cdd05333
15119c52de2
hexa99d09b1

2845641137 has 2 divisors, whose sum is σ = 2845641138. Its totient is φ = 2845641136.

The previous prime is 2845641133. The next prime is 2845641173. The reversal of 2845641137 is 7311465482.

Together with next prime (2845641173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2528480656 + 317160481 = 50284^2 + 17809^2 .

It is a cyclic number.

It is not a de Polignac number, because 2845641137 - 22 = 2845641133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2845641094 and 2845641103.

It is not a weakly prime, because it can be changed into another prime (2845641133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1422820568 + 1422820569.

It is an arithmetic number, because the mean of its divisors is an integer number (1422820569).

Almost surely, 22845641137 is an apocalyptic number.

It is an amenable number.

2845641137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2845641137 is an equidigital number, since it uses as much as digits as its factorization.

2845641137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 2845641137 is about 53344.5511462980. The cubic root of 2845641137 is about 1417.0767636972.

The spelling of 2845641137 in words is "two billion, eight hundred forty-five million, six hundred forty-one thousand, one hundred thirty-seven".