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38914663871 is a prime number
BaseRepresentation
bin100100001111011111…
…101010010110111111
310201110000210202020002
4210033133222112333
51114144123220441
625513244144515
72545225120346
oct441737522677
9121400722202
1038914663871
111555a349a36
12766053813b
133892267235
141c523a8b5d
15102b59ab9b
hex90f7ea5bf

38914663871 has 2 divisors, whose sum is σ = 38914663872. Its totient is φ = 38914663870.

The previous prime is 38914663831. The next prime is 38914663877. The reversal of 38914663871 is 17836641983.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38914663871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38914663877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19457331935 + 19457331936.

It is an arithmetic number, because the mean of its divisors is an integer number (19457331936).

Almost surely, 238914663871 is an apocalyptic number.

38914663871 is a deficient number, since it is larger than the sum of its proper divisors (1).

38914663871 is an equidigital number, since it uses as much as digits as its factorization.

38914663871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 56.

The spelling of 38914663871 in words is "thirty-eight billion, nine hundred fourteen million, six hundred sixty-three thousand, eight hundred seventy-one".