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54318836731 is a prime number
BaseRepresentation
bin110010100101101001…
…111010101111111011
312012012120110210211211
4302211221322233323
51342221110233411
640542001103551
73632033331325
oct624551725773
9165176423754
1054318836731
1121044627005
12a63b327bb7
135178756013
1428b415c615
15162daea221
hexca5a7abfb

54318836731 has 2 divisors, whose sum is σ = 54318836732. Its totient is φ = 54318836730.

The previous prime is 54318836633. The next prime is 54318836749. The reversal of 54318836731 is 13763881345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54318836731 - 233 = 45728902139 is a prime.

It is a super-2 number, since 2×543188367312 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54318836431) 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, 27159418365 + 27159418366.

It is an arithmetic number, because the mean of its divisors is an integer number (27159418366).

Almost surely, 254318836731 is an apocalyptic number.

54318836731 is a deficient number, since it is larger than the sum of its proper divisors (1).

54318836731 is an equidigital number, since it uses as much as digits as its factorization.

54318836731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 49.

The spelling of 54318836731 in words is "fifty-four billion, three hundred eighteen million, eight hundred thirty-six thousand, seven hundred thirty-one".