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38561355538379 = 476073403939709
BaseRepresentation
bin10001100010010010000111…
…11001100001111111001011
312001112102121011120011102022
420301021003321201333023
520023242124004212004
6214002501524355055
711056652223635552
oct1061110371417713
9161472534504368
1038561355538379
11113178629aa8a3
1243a9547b45a8b
1318694216c056b
1497454575cd99
1546d1090d62be
hex231243e61fcb

38561355538379 has 16 divisors (see below), whose sum is σ = 39448841625600. Its totient is φ = 37676669279904.

The previous prime is 38561355538367. The next prime is 38561355538417. The reversal of 38561355538379 is 97383555316583.

38561355538379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38561355538379 - 244 = 20969169493963 is a prime.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38561355532379) 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 in 15 ways as a sum of consecutive naturals, for example, 971078777 + ... + 971118485.

It is an arithmetic number, because the mean of its divisors is an integer number (2465552601600).

Almost surely, 238561355538379 is an apocalyptic number.

38561355538379 is a deficient number, since it is larger than the sum of its proper divisors (887486087221).

38561355538379 is a wasteful number, since it uses less digits than its factorization.

38561355538379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74402.

The product of its digits is 1224720000, while the sum is 71.

The spelling of 38561355538379 in words is "thirty-eight trillion, five hundred sixty-one billion, three hundred fifty-five million, five hundred thirty-eight thousand, three hundred seventy-nine".

Divisors: 1 47 607 28529 34039 39709 1599833 1866323 20661673 24103363 971098631 1132858061 1351654651 63527768597 820454373157 38561355538379