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38675824344581 is a prime number
BaseRepresentation
bin10001100101100111010101…
…10001010111111000000101
312001221101001200211000110012
420302303222301113320011
520032131042013011311
6214131232312240005
711101143660506534
oct1062635261277005
9161841050730405
1038675824344581
1111361363625176
1244077733a0005
131877164991798
14979cc424c31b
154710a86a978b
hex232ceac57e05

38675824344581 has 2 divisors, whose sum is σ = 38675824344582. Its totient is φ = 38675824344580.

The previous prime is 38675824344571. The next prime is 38675824344587. The reversal of 38675824344581 is 18544342857683.

38675824344581 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 can be written as a sum of positive squares in only one way, i.e., 31995879120100 + 6679945224481 = 5656490^2 + 2584559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38675824344581 is a prime.

It is a super-2 number, since 2×386758243445812 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38675824344587) 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, 19337912172290 + 19337912172291.

It is an arithmetic number, because the mean of its divisors is an integer number (19337912172291).

Almost surely, 238675824344581 is an apocalyptic number.

It is an amenable number.

38675824344581 is a deficient number, since it is larger than the sum of its proper divisors (1).

38675824344581 is an equidigital number, since it uses as much as digits as its factorization.

38675824344581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 619315200, while the sum is 68.

The spelling of 38675824344581 in words is "thirty-eight trillion, six hundred seventy-five billion, eight hundred twenty-four million, three hundred forty-four thousand, five hundred eighty-one".