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166302013 = 372331367
BaseRepresentation
bin10011110100110…
…01000100111101
3102120221000110211
421322121010331
5320033131023
624300232421
74056354343
oct1172310475
9376830424
10166302013
1185967189
124783b711
13285b9077
141812d993
15e8eea0d
hex9e9913d

166302013 has 12 divisors (see below), whose sum is σ = 171901632. Its totient is φ = 160878960.

The previous prime is 166301999. The next prime is 166302067. The reversal of 166302013 is 310203661.

It is not a de Polignac number, because 166302013 - 213 = 166293821 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 (166302413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452956 + ... + 453322.

It is an arithmetic number, because the mean of its divisors is an integer number (14325136).

Almost surely, 2166302013 is an apocalyptic number.

It is an amenable number.

166302013 is a deficient number, since it is larger than the sum of its proper divisors (5599619).

166302013 is an equidigital number, since it uses as much as digits as its factorization.

166302013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 166302013 is about 12895.8137781220. The cubic root of 166302013 is about 549.9195617901.

Adding to 166302013 its reverse (310203661), we get a palindrome (476505674).

The spelling of 166302013 in words is "one hundred sixty-six million, three hundred two thousand, thirteen".

Divisors: 1 37 331 367 1369 12247 13579 121477 453139 502423 4494649 166302013