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83966785273 = 781551147089
BaseRepresentation
bin100111000110011001…
…1110111011011111001
322000201210022122102001
41032030303313123321
52333430444112043
6102323535341001
76031526620150
oct1161463673371
9260653278361
1083966785273
1132679074618
1214334381761
137bc1bc7237
1440c7924597
1522b688274d
hex138ccf76f9

83966785273 has 8 divisors (see below), whose sum is σ = 95963869440. Its totient is φ = 71970158400.

The previous prime is 83966785249. The next prime is 83966785289. The reversal of 83966785273 is 37258766938.

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

It is a de Polignac number, because none of the positive numbers 2k-83966785273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83966785213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497313 + ... + 644401.

It is an arithmetic number, because the mean of its divisors is an integer number (11995483680).

Almost surely, 283966785273 is an apocalyptic number.

It is an amenable number.

83966785273 is a deficient number, since it is larger than the sum of its proper divisors (11997084167).

83966785273 is a wasteful number, since it uses less digits than its factorization.

83966785273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228647.

The product of its digits is 91445760, while the sum is 64.

The spelling of 83966785273 in words is "eighty-three billion, nine hundred sixty-six million, seven hundred eighty-five thousand, two hundred seventy-three".

Divisors: 1 7 81551 147089 570857 1029623 11995255039 83966785273