Search a number
-
+
2851677161 is a prime number
BaseRepresentation
bin1010100111111001…
…0010001111101001
321100201221012122122
42221332102033221
521320012132121
61150545201025
7130444566404
oct25176221751
97321835578
102851677161
111233774293
12677030175
13365a51b48
141d0a36d3b
1511a5465ab
hexa9f923e9

2851677161 has 2 divisors, whose sum is σ = 2851677162. Its totient is φ = 2851677160.

The previous prime is 2851677119. The next prime is 2851677167. The reversal of 2851677161 is 1617761582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2513117161 + 338560000 = 50131^2 + 18400^2 .

It is a cyclic number.

It is not a de Polignac number, because 2851677161 - 222 = 2847482857 is a prime.

It is not a weakly prime, because it can be changed into another prime (2851677167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1425838580 + 1425838581.

It is an arithmetic number, because the mean of its divisors is an integer number (1425838581).

Almost surely, 22851677161 is an apocalyptic number.

It is an amenable number.

2851677161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2851677161 is an equidigital number, since it uses as much as digits as its factorization.

2851677161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 44.

The square root of 2851677161 is about 53401.0970018407. The cubic root of 2851677161 is about 1418.0779989561.

The spelling of 2851677161 in words is "two billion, eight hundred fifty-one million, six hundred seventy-seven thousand, one hundred sixty-one".