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57047361145472 = 271539492895001
BaseRepresentation
bin11001111100010010111111…
…01100100100101010000000
321110222200012200110201021002
430332021133230210222000
524434130443423123342
6321155110152351132
715005351534655545
oct1476113754445200
9243880180421232
1057047361145472
11171a4717165a75
1264941b19a54a8
1325aa70a193029
14101316d8d6bcc
1568dded1ead32
hex33e25fb24a80

57047361145472 has 32 divisors (see below), whose sum is σ = 113649817264500. Its totient is φ = 28523485440000.

The previous prime is 57047361145459. The next prime is 57047361145477. The reversal of 57047361145472 is 27454116374075.

It can be written as a sum of positive squares in 2 ways, for example, as 36039658916416 + 21007702229056 = 6003304^2 + 4583416^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×570473611454722 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57047361145477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18257972 + ... + 21152972.

Almost surely, 257047361145472 is an apocalyptic number.

It is an amenable number.

57047361145472 is a deficient number, since it is larger than the sum of its proper divisors (56602456119028).

57047361145472 is a wasteful number, since it uses less digits than its factorization.

57047361145472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048964 (or 3048952 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 56.

The spelling of 57047361145472 in words is "fifty-seven trillion, forty-seven billion, three hundred sixty-one million, one hundred forty-five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 153949 307898 615796 1231592 2463184 2895001 4926368 5790002 9852736 11580004 19705472 23160008 46320016 92640032 185280064 370560128 445682508949 891365017898 1782730035796 3565460071592 7130920143184 14261840286368 28523680572736 57047361145472