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38479670387 is a prime number
BaseRepresentation
bin100011110101100100…
…010010110001110011
310200022201021210100022
4203311210102301303
51112301243423022
625402144514055
72531363541644
oct436544226163
9120281253308
1038479670387
1115356852994
12755a91b92b
1338230c2b42
141c106d56cb
1510032c3c42
hex8f5912c73

38479670387 has 2 divisors, whose sum is σ = 38479670388. Its totient is φ = 38479670386.

The previous prime is 38479670363. The next prime is 38479670407. The reversal of 38479670387 is 78307697483.

38479670387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38479670387 - 228 = 38211234931 is a prime.

It is not a weakly prime, because it can be changed into another prime (38479670347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19239835193 + 19239835194.

It is an arithmetic number, because the mean of its divisors is an integer number (19239835194).

Almost surely, 238479670387 is an apocalyptic number.

38479670387 is a deficient number, since it is larger than the sum of its proper divisors (1).

38479670387 is an equidigital number, since it uses as much as digits as its factorization.

38479670387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42674688, while the sum is 62.

The spelling of 38479670387 in words is "thirty-eight billion, four hundred seventy-nine million, six hundred seventy thousand, three hundred eighty-seven".