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13818061359979 is a prime number
BaseRepresentation
bin1100100100010100010010…
…1000111000101101101011
31210220222211110021102100121
43021011010220320231223
53302343342202004404
645215532454344111
72624215304415532
oct311050450705553
953828743242317
1013818061359979
114448230446578
12167204895b037
1379306479a336
1435ab24dcb319
1518e68d402e54
hexc9144a38b6b

13818061359979 has 2 divisors, whose sum is σ = 13818061359980. Its totient is φ = 13818061359978.

The previous prime is 13818061359967. The next prime is 13818061360001. The reversal of 13818061359979 is 97995316081831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13818061359979 - 29 = 13818061359467 is a prime.

It is not a weakly prime, because it can be changed into another prime (13818061359779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6909030679989 + 6909030679990.

It is an arithmetic number, because the mean of its divisors is an integer number (6909030679990).

Almost surely, 213818061359979 is an apocalyptic number.

13818061359979 is a deficient number, since it is larger than the sum of its proper divisors (1).

13818061359979 is an equidigital number, since it uses as much as digits as its factorization.

13818061359979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88179840, while the sum is 70.

The spelling of 13818061359979 in words is "thirteen trillion, eight hundred eighteen billion, sixty-one million, three hundred fifty-nine thousand, nine hundred seventy-nine".