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37830304997 is a prime number
BaseRepresentation
bin100011001110110111…
…001010010011100101
310121122110101121111022
4203032313022103211
51104434024224442
625213510420525
72506320200252
oct431667122345
9117573347438
1037830304997
1115053248081
1273b9361745
13374b701974
141b8c37c429
15eb62a43d2
hex8cedca4e5

37830304997 has 2 divisors, whose sum is σ = 37830304998. Its totient is φ = 37830304996.

The previous prime is 37830304979. The next prime is 37830305057. The reversal of 37830304997 is 79940303873.

It is a happy number.

Together with previous prime (37830304979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35747843041 + 2082461956 = 189071^2 + 45634^2 .

It is an emirp because it is prime and its reverse (79940303873) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-37830304997 is a prime.

It is a super-2 number, since 2×378303049972 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37830304937) 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, 18915152498 + 18915152499.

It is an arithmetic number, because the mean of its divisors is an integer number (18915152499).

Almost surely, 237830304997 is an apocalyptic number.

It is an amenable number.

37830304997 is a deficient number, since it is larger than the sum of its proper divisors (1).

37830304997 is an equidigital number, since it uses as much as digits as its factorization.

37830304997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The spelling of 37830304997 in words is "thirty-seven billion, eight hundred thirty million, three hundred four thousand, nine hundred ninety-seven".