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54454312512 = 26321937891511
BaseRepresentation
bin110010101101101110…
…101101111001000000
312012120000101200200100
4302231232231321000
51343010301000022
641003240522400
73635300006415
oct625556557100
9165500350610
1054454312512
1121104048a66
12a678780400
13519a83acc2
1428c814610c
15163a95b1ac
hexcadbade40

54454312512 has 336 divisors, whose sum is σ = 170747740800. Its totient is φ = 16532398080.

The previous prime is 54454312487. The next prime is 54454312513. The reversal of 54454312512 is 21521345445.

54454312512 is a `hidden beast` number, since 54 + 4 + 543 + 12 + 51 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (54454312513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36037837 + ... + 36039347.

It is an arithmetic number, because the mean of its divisors is an integer number (508177800).

Almost surely, 254454312512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54454312512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85373870400).

54454312512 is an abundant number, since it is smaller than the sum of its proper divisors (116293428288).

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

54454312512 is a wasteful number, since it uses less digits than its factorization.

54454312512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1661 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 54454312512 its reverse (21521345445), we get a palindrome (75975657957).

The spelling of 54454312512 in words is "fifty-four billion, four hundred fifty-four million, three hundred twelve thousand, five hundred twelve".