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38279504671 is a prime number
BaseRepresentation
bin100011101001101000…
…101110001100011111
310122210202122022121021
4203221220232030133
51111344023122141
625330234345011
72523413264302
oct435150561437
9118722568537
1038279504671
1115263867481
12750388b167
1337c07ab2a5
141bd1cacb39
15ee09356d1
hex8e9a2e31f

38279504671 has 2 divisors, whose sum is σ = 38279504672. Its totient is φ = 38279504670.

The previous prime is 38279504609. The next prime is 38279504701. The reversal of 38279504671 is 17640597283.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38279504671 is a prime.

It is a super-2 number, since 2×382795046712 (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 (38279904671) 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, 19139752335 + 19139752336.

It is an arithmetic number, because the mean of its divisors is an integer number (19139752336).

It is a 1-persistent number, because it is pandigital, but 2⋅38279504671 = 76559009342 is not.

Almost surely, 238279504671 is an apocalyptic number.

38279504671 is a deficient number, since it is larger than the sum of its proper divisors (1).

38279504671 is an equidigital number, since it uses as much as digits as its factorization.

38279504671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 38279504671 in words is "thirty-eight billion, two hundred seventy-nine million, five hundred four thousand, six hundred seventy-one".