Search a number
BaseRepresentation
bin10001101110111000111001…
…10101001000000011101011
312010001211121011210110111101
420313130130311020003223
520102341204343102232
6214533453333142231
711133154600102252
oct1067343465100353
9163054534713441
1038994491769067
111147452002380a
12445948848a977
13189b21b0959a3
1498b4b46b5799
15479509b0c1e7
hex23771cd480eb

38994491769067 has 2 divisors, whose sum is σ = 38994491769068. Its totient is φ = 38994491769066.

The previous prime is 38994491769043. The next prime is 38994491769089. The reversal of 38994491769067 is 76096719449983.

38994491769067 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 a de Polignac number, because none of the positive numbers 2k-38994491769067 is a prime.

It is a super-2 number, since 2×389944917690672 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38994491763067) 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, 19497245884533 + 19497245884534.

It is an arithmetic number, because the mean of its divisors is an integer number (19497245884534).

Almost surely, 238994491769067 is an apocalyptic number.

38994491769067 is a deficient number, since it is larger than the sum of its proper divisors (1).

38994491769067 is an equidigital number, since it uses as much as digits as its factorization.

38994491769067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4444263936, while the sum is 82.

The spelling of 38994491769067 in words is "thirty-eight trillion, nine hundred ninety-four billion, four hundred ninety-one million, seven hundred sixty-nine thousand, sixty-seven".