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57086543273 = 104775448749
BaseRepresentation
bin110101001010100111…
…111000010110101001
312110100110101212110112
4311022213320112221
51413403123341043
642120350424105
74060441416524
oct651247702651
9173313355415
1057086543273
1122234957991
12b092202035
1354c9c873b6
142a97977bbb
151741aa6518
hexd4a9f85a9

57086543273 has 4 divisors (see below), whose sum is σ = 57092002500. Its totient is φ = 57081084048.

The previous prime is 57086543249. The next prime is 57086543317. The reversal of 57086543273 is 37234568075.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49431518224 + 7655025049 = 222332^2 + 87493^2 .

It is a cyclic number.

It is not a de Polignac number, because 57086543273 - 216 = 57086477737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57086543203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2713898 + ... + 2734851.

It is an arithmetic number, because the mean of its divisors is an integer number (14273000625).

Almost surely, 257086543273 is an apocalyptic number.

It is an amenable number.

57086543273 is a deficient number, since it is larger than the sum of its proper divisors (5459227).

57086543273 is a wasteful number, since it uses less digits than its factorization.

57086543273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459226.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 57086543273 in words is "fifty-seven billion, eighty-six million, five hundred forty-three thousand, two hundred seventy-three".

Divisors: 1 10477 5448749 57086543273