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2237530925081 is a prime number
BaseRepresentation
bin100000100011110111001…
…111000110100000011001
321220220110101012001220202
4200203313033012200121
5243124430404100311
64431524005031545
7320441050024514
oct40436717064031
97826411161822
102237530925081
11792a27969541
123017946b55b5
13132cc924370a
147a42325bd7b
153d30b2bae3b
hex208f73c6819

2237530925081 has 2 divisors, whose sum is σ = 2237530925082. Its totient is φ = 2237530925080.

The previous prime is 2237530925039. The next prime is 2237530925083. The reversal of 2237530925081 is 1805290357322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2237432598025 + 98327056 = 1495805^2 + 9916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2237530925081 is a prime.

It is a super-2 number, since 2×22375309250812 (a number of 26 digits) contains 22 as substring.

Together with 2237530925083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2237530925083) 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, 1118765462540 + 1118765462541.

It is an arithmetic number, because the mean of its divisors is an integer number (1118765462541).

Almost surely, 22237530925081 is an apocalyptic number.

It is an amenable number.

2237530925081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2237530925081 is an equidigital number, since it uses as much as digits as its factorization.

2237530925081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 2237530925081 in words is "two trillion, two hundred thirty-seven billion, five hundred thirty million, nine hundred twenty-five thousand, eighty-one".