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57374843465 = 537310134289
BaseRepresentation
bin110101011011110011…
…101010001001001001
312111002112220000222102
4311123303222021021
51420000424442330
642205130003145
74100542060052
oct653363521111
9174075800872
1057374843465
1122372670105
12b1528764b5
135544919a24
142ac3d83729
15175c053945
hexd5bcea249

57374843465 has 8 divisors (see below), whose sum is σ = 70710618120. Its totient is φ = 44659337472.

The previous prime is 57374843441. The next prime is 57374843543. The reversal of 57374843465 is 56434847375.

It can be written as a sum of positive squares in 4 ways, for example, as 16520732089 + 40854111376 = 128533^2 + 202124^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57374843465 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57374843465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155066960 + ... + 155067329.

It is an arithmetic number, because the mean of its divisors is an integer number (8838827265).

Almost surely, 257374843465 is an apocalyptic number.

It is an amenable number.

57374843465 is a deficient number, since it is larger than the sum of its proper divisors (13335774655).

57374843465 is a wasteful number, since it uses less digits than its factorization.

57374843465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310134331.

The product of its digits is 33868800, while the sum is 56.

The spelling of 57374843465 in words is "fifty-seven billion, three hundred seventy-four million, eight hundred forty-three thousand, four hundred sixty-five".

Divisors: 1 5 37 185 310134289 1550671445 11474968693 57374843465