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54439122473 is a prime number
BaseRepresentation
bin110010101100110100…
…110001011000101001
312012111221210221212022
4302230310301120221
51342442403404343
641001535154225
73635023622531
oct625464613051
9165457727768
1054439122473
11210a651350a
12a673675975
135197650008
1428c61104c1
15163945a568
hexcacd31629

54439122473 has 2 divisors, whose sum is σ = 54439122474. Its totient is φ = 54439122472.

The previous prime is 54439122467. The next prime is 54439122481. The reversal of 54439122473 is 37422193445.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49264909849 + 5174212624 = 221957^2 + 71932^2 .

It is a cyclic number.

It is not a de Polignac number, because 54439122473 - 210 = 54439121449 is a prime.

It is a super-3 number, since 3×544391224733 (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (54439122433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27219561236 + 27219561237.

It is an arithmetic number, because the mean of its divisors is an integer number (27219561237).

Almost surely, 254439122473 is an apocalyptic number.

It is an amenable number.

54439122473 is a deficient number, since it is larger than the sum of its proper divisors (1).

54439122473 is an equidigital number, since it uses as much as digits as its factorization.

54439122473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 44.

The spelling of 54439122473 in words is "fifty-four billion, four hundred thirty-nine million, one hundred twenty-two thousand, four hundred seventy-three".