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38655018979 is a prime number
BaseRepresentation
bin100100000000000001…
…001100011111100011
310200202221020102101121
4210000001030133203
51113131141101404
625431411113111
72535623145223
oct440001143743
9120687212347
1038655018979
1115436828985
1275a95a2797
1338505287c5
141c29adc083
1510138ade54
hex90004c7e3

38655018979 has 2 divisors, whose sum is σ = 38655018980. Its totient is φ = 38655018978.

The previous prime is 38655018949. The next prime is 38655019003. The reversal of 38655018979 is 97981055683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38655018979 - 27 = 38655018851 is a prime.

It is not a weakly prime, because it can be changed into another prime (38655018949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19327509489 + 19327509490.

It is an arithmetic number, because the mean of its divisors is an integer number (19327509490).

Almost surely, 238655018979 is an apocalyptic number.

38655018979 is a deficient number, since it is larger than the sum of its proper divisors (1).

38655018979 is an equidigital number, since it uses as much as digits as its factorization.

38655018979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16329600, while the sum is 61.

The spelling of 38655018979 in words is "thirty-eight billion, six hundred fifty-five million, eighteen thousand, nine hundred seventy-nine".