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57096090509 = 208927331781
BaseRepresentation
bin110101001011001100…
…010011001110001101
312110101010100220210212
4311023030103032031
51413413044344014
642121331212205
74060615522163
oct651314231615
9173333326725
1057096090509
112223a288967
12b095447065
1354cbc4ab53
142a98d41233
15174284023e
hexd4b31338d

57096090509 has 4 divisors (see below), whose sum is σ = 57123424380. Its totient is φ = 57068756640.

The previous prime is 57096090431. The next prime is 57096090521. The reversal of 57096090509 is 90509069075.

57096090509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 28994597284 + 28101493225 = 170278^2 + 167635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57096090509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57096090529) 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, 13663802 + ... + 13667979.

It is an arithmetic number, because the mean of its divisors is an integer number (14280856095).

Almost surely, 257096090509 is an apocalyptic number.

It is an amenable number.

57096090509 is a deficient number, since it is larger than the sum of its proper divisors (27333871).

57096090509 is a wasteful number, since it uses less digits than its factorization.

57096090509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27333870.

The product of its (nonzero) digits is 765450, while the sum is 50.

The spelling of 57096090509 in words is "fifty-seven billion, ninety-six million, ninety thousand, five hundred nine".

Divisors: 1 2089 27331781 57096090509