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54761965568 = 21151712
BaseRepresentation
bin110011000000000100…
…010100100000000000
312020100110022002022222
4303000010110200000
51344123030344233
641053550550212
73646024012202
oct630004244000
9166313262288
1054761965568
112125177a292
12a743808368
1352194b832b
142916d4c772
15165797c898
hexcc0114800

54761965568 has 36 divisors (see below), whose sum is σ = 109518371235. Its totient is φ = 27375687680.

The previous prime is 54761965561. The next prime is 54761965603. The reversal of 54761965568 is 86556916745.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 27380982784 + 27380982784 = 165472^2 + 165472^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=165472.

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 54761965568.

It is not an unprimeable number, because it can be changed into a prime (54761965561) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10587623 + ... + 10592793.

Almost surely, 254761965568 is an apocalyptic number.

It is an amenable number.

54761965568 is a deficient number, since it is larger than the sum of its proper divisors (54756405667).

54761965568 is an frugal number, since it uses more digits than its factorization.

54761965568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10364 (or 5173 counting only the distinct ones).

The product of its digits is 54432000, while the sum is 62.

The spelling of 54761965568 in words is "fifty-four billion, seven hundred sixty-one million, nine hundred sixty-five thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 5171 10342 20684 41368 82736 165472 330944 661888 1323776 2647552 5295104 10590208 26739241 53478482 106956964 213913928 427827856 855655712 1711311424 3422622848 6845245696 13690491392 27380982784 54761965568