Search a number
-
+
2750659897 is a prime number
BaseRepresentation
bin1010001111110011…
…1011110100111001
321002200212000000111
42203330323310321
521113132104042
61132540104321
7125110136416
oct24374736471
97080760014
102750659897
111191748547
126492350a1
1334ab4330b
141c145d10d
15111740517
hexa3f3bd39

2750659897 has 2 divisors, whose sum is σ = 2750659898. Its totient is φ = 2750659896.

The previous prime is 2750659837. The next prime is 2750659909. The reversal of 2750659897 is 7989560572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1694474896 + 1056185001 = 41164^2 + 32499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2750659897 is a prime.

It is a super-2 number, since 2×27506598972 = 15132259737928101218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2750659817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375329948 + 1375329949.

It is an arithmetic number, because the mean of its divisors is an integer number (1375329949).

Almost surely, 22750659897 is an apocalyptic number.

It is an amenable number.

2750659897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750659897 is an equidigital number, since it uses as much as digits as its factorization.

2750659897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9525600, while the sum is 58.

The square root of 2750659897 is about 52446.7339021221. The cubic root of 2750659897 is about 1401.1317204469.

The spelling of 2750659897 in words is "two billion, seven hundred fifty million, six hundred fifty-nine thousand, eight hundred ninety-seven".