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4145861387 is a prime number
BaseRepresentation
bin1111011100011100…
…1101001100001011
3101200221011120122202
43313013031030023
531442320031022
61523220110415
7204511145303
oct36707151413
911627146582
104145861387
11183825a028
1297853540b
13510c01925
142b4882603
15193e88592
hexf71cd30b

4145861387 has 2 divisors, whose sum is σ = 4145861388. Its totient is φ = 4145861386.

The previous prime is 4145861341. The next prime is 4145861393. The reversal of 4145861387 is 7831685414.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4145861387 - 214 = 4145845003 is a prime.

It is not a weakly prime, because it can be changed into another prime (4145861327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072930693 + 2072930694.

It is an arithmetic number, because the mean of its divisors is an integer number (2072930694).

Almost surely, 24145861387 is an apocalyptic number.

4145861387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145861387 is an equidigital number, since it uses as much as digits as its factorization.

4145861387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 47.

The square root of 4145861387 is about 64388.3637546413. The cubic root of 4145861387 is about 1606.4662005519.

The spelling of 4145861387 in words is "four billion, one hundred forty-five million, eight hundred sixty-one thousand, three hundred eighty-seven".