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37840505147 is a prime number
BaseRepresentation
bin100011001111011110…
…000100100100111011
310121200011120211110122
4203033132010210323
51104444132131042
625214513203455
72506502662304
oct431736044473
9117604524418
1037840505147
1115058a84655
12740086058b
133750863663
141b8d8757ab
15eb711b7d2
hex8cf78493b

37840505147 has 2 divisors, whose sum is σ = 37840505148. Its totient is φ = 37840505146.

The previous prime is 37840505141. The next prime is 37840505161. The reversal of 37840505147 is 74150504873.

It is a weak prime.

It is an emirp because it is prime and its reverse (74150504873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37840505147 - 230 = 36766763323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 37840505098 and 37840505107.

It is not a weakly prime, because it can be changed into another prime (37840505141) 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, 18920252573 + 18920252574.

It is an arithmetic number, because the mean of its divisors is an integer number (18920252574).

Almost surely, 237840505147 is an apocalyptic number.

37840505147 is a deficient number, since it is larger than the sum of its proper divisors (1).

37840505147 is an equidigital number, since it uses as much as digits as its factorization.

37840505147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 37840505147 in words is "thirty-seven billion, eight hundred forty million, five hundred five thousand, one hundred forty-seven".