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2687603137 is a prime number
BaseRepresentation
bin1010000000110001…
…1001000111000001
320221022012101101221
42200030121013001
521001011300022
61122404355041
7123413151442
oct24014310701
96838171357
102687603137
11115a09a01a
126300a5a81
1333aa65c1b
141b6d272c9
1510ae36cc7
hexa03191c1

2687603137 has 2 divisors, whose sum is σ = 2687603138. Its totient is φ = 2687603136.

The previous prime is 2687603131. The next prime is 2687603161. The reversal of 2687603137 is 7313067862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1792336896 + 895266241 = 42336^2 + 29921^2 .

It is a cyclic number.

It is not a de Polignac number, because 2687603137 - 227 = 2553385409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2687603093 and 2687603102.

It is not a weakly prime, because it can be changed into another prime (2687603131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343801568 + 1343801569.

It is an arithmetic number, because the mean of its divisors is an integer number (1343801569).

Almost surely, 22687603137 is an apocalyptic number.

It is an amenable number.

2687603137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2687603137 is an equidigital number, since it uses as much as digits as its factorization.

2687603137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 2687603137 is about 51842.0981153348. The cubic root of 2687603137 is about 1390.3422266917.

The spelling of 2687603137 in words is "two billion, six hundred eighty-seven million, six hundred three thousand, one hundred thirty-seven".