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2545912141 is a prime number
BaseRepresentation
bin1001011110111111…
…1000100101001101
320120102120201220021
42113233320211031
520203223142031
61100343422141
7120042616243
oct22757704515
96512521807
102545912141
111097112523
125b0754951
133175b5cb6
141a21a2793
15ed799511
hex97bf894d

2545912141 has 2 divisors, whose sum is σ = 2545912142. Its totient is φ = 2545912140.

The previous prime is 2545912139. The next prime is 2545912147. The reversal of 2545912141 is 1412195452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2157230916 + 388681225 = 46446^2 + 19715^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545912141 - 21 = 2545912139 is a prime.

Together with 2545912139, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2545912097 and 2545912106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545912147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272956070 + 1272956071.

It is an arithmetic number, because the mean of its divisors is an integer number (1272956071).

Almost surely, 22545912141 is an apocalyptic number.

It is an amenable number.

2545912141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545912141 is an equidigital number, since it uses as much as digits as its factorization.

2545912141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 34.

The square root of 2545912141 is about 50457.0326218259. The cubic root of 2545912141 is about 1365.4667755607.

The spelling of 2545912141 in words is "two billion, five hundred forty-five million, nine hundred twelve thousand, one hundred forty-one".