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54942447125 = 5310142110337
BaseRepresentation
bin110011001010110100…
…110011011000010101
312020211000220111111002
4303022310303120111
51400010231302000
641123515153045
73653345044406
oct631264633025
9166730814432
1054942447125
11213346407a5
12a794145785
1352479ca457
142932ccd9ad
15166872d8d5
hexccad33615

54942447125 has 32 divisors (see below), whose sum is σ = 69418264032. Its totient is φ = 43411200000.

The previous prime is 54942447121. The next prime is 54942447149. The reversal of 54942447125 is 52174424945.

54942447125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 52345321681 + 2597125444 = 228791^2 + 50962^2 .

It is not a de Polignac number, because 54942447125 - 22 = 54942447121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54942447125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54942447121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5309957 + ... + 5320293.

It is an arithmetic number, because the mean of its divisors is an integer number (2169320751).

Almost surely, 254942447125 is an apocalyptic number.

It is an amenable number.

54942447125 is a deficient number, since it is larger than the sum of its proper divisors (14475816907).

54942447125 is a wasteful number, since it uses less digits than its factorization.

54942447125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10874 (or 10864 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 47.

The spelling of 54942447125 in words is "fifty-four billion, nine hundred forty-two million, four hundred forty-seven thousand, one hundred twenty-five".

Divisors: 1 5 25 101 125 421 505 2105 2525 10337 10525 12625 42521 51685 52625 212605 258425 1044037 1063025 1292125 4351877 5220185 5315125 21759385 26100925 108796925 130504625 439539577 543984625 2197697885 10988489425 54942447125