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57428741248 = 27448662041
BaseRepresentation
bin110101011111000001…
…010000110010000000
312111020022022022211121
4311133001100302000
51420103224204443
642214333122024
74102065150334
oct653701206200
9174208268747
1057428741248
11223a003332a
12b168929314
135552b3b2c8
142acb1b37c4
151761b4d4ed
hexd5f050c80

57428741248 has 16 divisors (see below), whose sum is σ = 114408820710. Its totient is φ = 28714370560.

The previous prime is 57428741231. The next prime is 57428741257. The reversal of 57428741248 is 84214782475.

It can be written as a sum of positive squares in only one way, i.e., 43427225664 + 14001515584 = 208392^2 + 118328^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 57428741195 and 57428741204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224330893 + ... + 224331148.

Almost surely, 257428741248 is an apocalyptic number.

It is an amenable number.

57428741248 is a deficient number, since it is larger than the sum of its proper divisors (56980079462).

57428741248 is an equidigital number, since it uses as much as digits as its factorization.

57428741248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448662055 (or 448662043 counting only the distinct ones).

The product of its digits is 4014080, while the sum is 52.

The spelling of 57428741248 in words is "fifty-seven billion, four hundred twenty-eight million, seven hundred forty-one thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 128 448662041 897324082 1794648164 3589296328 7178592656 14357185312 28714370624 57428741248