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54321044512 = 2572372714503
BaseRepresentation
bin110010100101110010…
…010101110000100000
312012012201121222100111
4302211302111300200
51342222141411022
640542120301104
73632061155110
oct624562256040
9165181558314
1054321044512
11210458a4819
12a640011794
135179049bb7
1428b4575040
15162ddd4477
hexca5c95c20

54321044512 has 96 divisors (see below), whose sum is σ = 127720599552. Its totient is φ = 22236090624.

The previous prime is 54321044509. The next prime is 54321044513. The reversal of 54321044512 is 21544012345.

It is not an unprimeable number, because it can be changed into a prime (54321044513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3738253 + ... + 3752755.

It is an arithmetic number, because the mean of its divisors is an integer number (1330422912).

Almost surely, 254321044512 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 54321044512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63860299776).

54321044512 is an abundant number, since it is smaller than the sum of its proper divisors (73399555040).

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

54321044512 is a wasteful number, since it uses less digits than its factorization.

54321044512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15270 (or 15262 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 54321044512 its reverse (21544012345), we get a palindrome (75865056857).

The spelling of 54321044512 in words is "fifty-four billion, three hundred twenty-one million, forty-four thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 16 23 28 32 46 56 92 112 161 184 224 322 368 644 727 736 1288 1454 2576 2908 5089 5152 5816 10178 11632 14503 16721 20356 23264 29006 33442 40712 58012 66884 81424 101521 116024 117047 133768 162848 203042 232048 234094 267536 333569 406084 464096 468188 535072 667138 812168 936376 1334276 1624336 1872752 2334983 2668552 3248672 3745504 4669966 5337104 9339932 10543681 10674208 18679864 21087362 37359728 42174724 73805767 74719456 84349448 147611534 168698896 242504663 295223068 337397792 485009326 590446136 970018652 1180892272 1697532641 1940037304 2361784544 3395065282 3880074608 6790130564 7760149216 13580261128 27160522256 54321044512