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54357646979 is a prime number
BaseRepresentation
bin110010100111111101…
…111101111010000011
312012022021111120111102
4302213331331322003
51342311024200404
640545505005015
73633014242616
oct624775757203
9165267446442
1054357646979
1121064524799
12a65032376b
1351837c416c
1428b938217d
15163221471e
hexca7f7de83

54357646979 has 2 divisors, whose sum is σ = 54357646980. Its totient is φ = 54357646978.

The previous prime is 54357646969. The next prime is 54357647017. The reversal of 54357646979 is 97964675345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54357646979 - 24 = 54357646963 is a prime.

It is not a weakly prime, because it can be changed into another prime (54357646909) 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, 27178823489 + 27178823490.

It is an arithmetic number, because the mean of its divisors is an integer number (27178823490).

Almost surely, 254357646979 is an apocalyptic number.

54357646979 is a deficient number, since it is larger than the sum of its proper divisors (1).

54357646979 is an equidigital number, since it uses as much as digits as its factorization.

54357646979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 171460800, while the sum is 65.

The spelling of 54357646979 in words is "fifty-four billion, three hundred fifty-seven million, six hundred forty-six thousand, nine hundred seventy-nine".