Search a number
-
+
56725781376 = 2731113429399
BaseRepresentation
bin110100110101000111…
…101011101110000000
312102102022120021011210
4310311013223232000
51412133300001001
642020502210120
74045501120545
oct646507535600
9172368507153
1056725781376
112206a252160
12abb1423940
135470303914
142a61aa8bcc
151720093dd6
hexd351ebb80

56725781376 has 64 divisors (see below), whose sum is σ = 164375856000. Its totient is φ = 17189629440.

The previous prime is 56725781353. The next prime is 56725781377. The reversal of 56725781376 is 67318752765.

56725781376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56725781377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6710476 + ... + 6718923.

It is an arithmetic number, because the mean of its divisors is an integer number (2568372750).

Almost surely, 256725781376 is an apocalyptic number.

It is an amenable number.

56725781376 is an abundant number, since it is smaller than the sum of its proper divisors (107650074624).

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

56725781376 is a wasteful number, since it uses less digits than its factorization.

56725781376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13429427 (or 13429415 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 57.

The spelling of 56725781376 in words is "fifty-six billion, seven hundred twenty-five million, seven hundred eighty-one thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 264 352 384 528 704 1056 1408 2112 4224 13429399 26858798 40288197 53717596 80576394 107435192 147723389 161152788 214870384 295446778 322305576 429740768 443170167 590893556 644611152 859481536 886340334 1181787112 1289222304 1718963072 1772680668 2363574224 2578444608 3545361336 4727148448 5156889216 7090722672 9454296896 14181445344 18908593792 28362890688 56725781376