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57250641242 = 241296932749
BaseRepresentation
bin110101010100011001…
…110111010101011010
312110202220011220120002
4311110121313111122
51414222131004432
642144531533002
74064503264334
oct652431672532
9173686156502
1057250641242
1122309549143
12b11915a162
135524c811a2
142ab1692454
1517511bce62
hexd5467755a

57250641242 has 8 divisors (see below), whose sum is σ = 85896772500. Its totient is φ = 28618383744.

The previous prime is 57250641241. The next prime is 57250641251. The reversal of 57250641242 is 24214605275.

It can be written as a sum of positive squares in 2 ways, for example, as 55178479801 + 2072161441 = 234901^2 + 45521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 57250641196 and 57250641205.

It is not an unprimeable number, because it can be changed into a prime (57250641241) 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, 3458117 + ... + 3474632.

Almost surely, 257250641242 is an apocalyptic number.

57250641242 is a deficient number, since it is larger than the sum of its proper divisors (28646131258).

57250641242 is a wasteful number, since it uses less digits than its factorization.

57250641242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6936880.

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 57250641242 in words is "fifty-seven billion, two hundred fifty million, six hundred forty-one thousand, two hundred forty-two".

Divisors: 1 2 4129 8258 6932749 13865498 28625320621 57250641242