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1802828066 = 21369339541
BaseRepresentation
bin110101101110100…
…1111100100100010
311122122100011011212
41223131033210202
512143010444231
6454520510122
762450533334
oct15335174442
94578304155
101802828066
11845716456
1242391b342
13229670390
14131611454
15a841642b
hex6b74f922

1802828066 has 8 divisors (see below), whose sum is σ = 2912260764. Its totient is φ = 832074480.

The previous prime is 1802828059. The next prime is 1802828077. The reversal of 1802828066 is 6608282081.

It can be written as a sum of positive squares in 2 ways, for example, as 1575693025 + 227135041 = 39695^2 + 15071^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34669745 + ... + 34669796.

Almost surely, 21802828066 is an apocalyptic number.

1802828066 is a deficient number, since it is larger than the sum of its proper divisors (1109432698).

1802828066 is a wasteful number, since it uses less digits than its factorization.

1802828066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69339556.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 1802828066 is about 42459.7228676778. The cubic root of 1802828066 is about 1217.0771349723.

The spelling of 1802828066 in words is "one billion, eight hundred two million, eight hundred twenty-eight thousand, sixty-six".

Divisors: 1 2 13 26 69339541 138679082 901414033 1802828066