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230646568090 = 2567734068917
BaseRepresentation
bin1101011011001110011…
…0110101010010011010
3211001100011012122112211
43112303212311102122
512234331010134330
6253542500225334
722443431324011
oct3266346652232
9731304178484
10230646568090
11898a8a7a424
123884b09b24a
1318999636133
14b240355a78
155eedc18d2a
hex35b39b549a

230646568090 has 16 divisors (see below), whose sum is σ = 415777075272. Its totient is φ = 92122348864.

The previous prime is 230646568049. The next prime is 230646568109. The reversal of 230646568090 is 90865646032.

It can be written as a sum of positive squares in 4 ways, for example, as 223858620769 + 6787947321 = 473137^2 + 82389^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17027689 + ... + 17041228.

Almost surely, 2230646568090 is an apocalyptic number.

230646568090 is a deficient number, since it is larger than the sum of its proper divisors (185130507182).

230646568090 is a wasteful number, since it uses less digits than its factorization.

230646568090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34069601.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 230646568090 in words is "two hundred thirty billion, six hundred forty-six million, five hundred sixty-eight thousand, ninety".

Divisors: 1 2 5 10 677 1354 3385 6770 34068917 68137834 170344585 340689170 23064656809 46129313618 115323284045 230646568090