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51016166 = 225508083
BaseRepresentation
bin1100001010011…
…1000111100110
310112222220000122
43002213013212
5101030004131
65021241542
71156426115
oct302470746
9115886018
1051016166
1126885223
12151032b2
13a752aa6
146abdc7c
15472ad7b
hex30a71e6

51016166 has 4 divisors (see below), whose sum is σ = 76524252. Its totient is φ = 25508082.

The previous prime is 51016153. The next prime is 51016169. The reversal of 51016166 is 66161015.

51016166 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, and also an emirpimes, since its reverse is a distinct semiprime: 66161015 = 513232203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51016169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12754040 + ... + 12754043.

It is an arithmetic number, because the mean of its divisors is an integer number (19131063).

Almost surely, 251016166 is an apocalyptic number.

51016166 is a deficient number, since it is larger than the sum of its proper divisors (25508086).

51016166 is a wasteful number, since it uses less digits than its factorization.

51016166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25508085.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 51016166 is about 7142.5601852557. The cubic root of 51016166 is about 370.8821561047.

The spelling of 51016166 in words is "fifty-one million, sixteen thousand, one hundred sixty-six".

Divisors: 1 2 25508083 51016166