Search a number
-
+
2055278297 is a prime number
BaseRepresentation
bin111101010000001…
…0000111011011001
312022020100221210102
41322200100323121
513202122401142
6535535425145
7101634402002
oct17240207331
95266327712
102055278297
11965173006
124943851b5
13269a60107
14156d681a9
15c0681532
hex7a810ed9

2055278297 has 2 divisors, whose sum is σ = 2055278298. Its totient is φ = 2055278296.

The previous prime is 2055278273. The next prime is 2055278311. The reversal of 2055278297 is 7928725502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1556381401 + 498896896 = 39451^2 + 22336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2055278297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2055278497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027639148 + 1027639149.

It is an arithmetic number, because the mean of its divisors is an integer number (1027639149).

Almost surely, 22055278297 is an apocalyptic number.

It is an amenable number.

2055278297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055278297 is an equidigital number, since it uses as much as digits as its factorization.

2055278297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 2055278297 is about 45335.1772578425. The cubic root of 2055278297 is about 1271.4234348937.

The spelling of 2055278297 in words is "two billion, fifty-five million, two hundred seventy-eight thousand, two hundred ninety-seven".