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54138255900 = 22352180460853
BaseRepresentation
bin110010011010111001…
…000011101000011100
312011201222200100111220
4302122321003220130
51341333343142100
640512030413340
73624411403521
oct623271035034
9164658610456
1054138255900
1120a616a7a53
12a5aa961250
13514a20a961
142898193148
15161cd29aa0
hexc9ae43a1c

54138255900 has 36 divisors (see below), whose sum is σ = 156640021272. Its totient is φ = 14436868160.

The previous prime is 54138255883. The next prime is 54138255911. The reversal of 54138255900 is 955283145.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 90230127 + ... + 90230726.

It is an arithmetic number, because the mean of its divisors is an integer number (4351111702).

Almost surely, 254138255900 is an apocalyptic number.

54138255900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54138255900 is an abundant number, since it is smaller than the sum of its proper divisors (102501765372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54138255900 is a wasteful number, since it uses less digits than its factorization.

54138255900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180460870 (or 180460863 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 54138255900 in words is "fifty-four billion, one hundred thirty-eight million, two hundred fifty-five thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 180460853 360921706 541382559 721843412 902304265 1082765118 1804608530 2165530236 2706912795 3609217060 4511521325 5413825590 9023042650 10827651180 13534563975 18046085300 27069127950 54138255900