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2487133109 is a prime number
BaseRepresentation
bin1001010000111110…
…1010001110110101
320102022222110020002
42110033222032311
520043201224414
61050443521045
7115430165636
oct22417521665
96368873202
102487133109
111066a15a0a
12594b29185
133083759c6
1419846188d
15e85384de
hex943ea3b5

2487133109 has 2 divisors, whose sum is σ = 2487133110. Its totient is φ = 2487133108.

The previous prime is 2487133091. The next prime is 2487133111. The reversal of 2487133109 is 9013317842.

Together with previous prime (2487133091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2469096100 + 18037009 = 49690^2 + 4247^2 .

It is a cyclic number.

It is not a de Polignac number, because 2487133109 - 224 = 2470355893 is a prime.

It is a super-2 number, since 2×24871331092 = 12371662203768011762, which contains 22 as substring.

Together with 2487133111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2487136109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243566554 + 1243566555.

It is an arithmetic number, because the mean of its divisors is an integer number (1243566555).

Almost surely, 22487133109 is an apocalyptic number.

It is an amenable number.

2487133109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2487133109 is an equidigital number, since it uses as much as digits as its factorization.

2487133109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2487133109 is about 49871.1651057001. The cubic root of 2487133109 is about 1354.8763945472.

The spelling of 2487133109 in words is "two billion, four hundred eighty-seven million, one hundred thirty-three thousand, one hundred nine".