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65201201 = 1343116639
BaseRepresentation
bin1111100010111…
…0010000110001
311112200120020022
43320232100301
5113142414301
610245253225
71421125652
oct370562061
9145616208
1065201201
113389369a
1219a04215
131067b4c0
148933529
155acdd1b
hex3e2e431

65201201 has 8 divisors (see below), whose sum is σ = 71850240. Its totient is φ = 58785552.

The previous prime is 65201197. The next prime is 65201209. The reversal of 65201201 is 10210256.

65201201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 65201201 - 22 = 65201197 is a prime.

It is a super-2 number, since 2×652012012 = 8502393223684802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65201201.

It is not an unprimeable number, because it can be changed into a prime (65201209) 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 in 7 ways as a sum of consecutive naturals, for example, 57761 + ... + 58878.

It is an arithmetic number, because the mean of its divisors is an integer number (8981280).

Almost surely, 265201201 is an apocalyptic number.

It is an amenable number.

65201201 is a deficient number, since it is larger than the sum of its proper divisors (6649039).

65201201 is a wasteful number, since it uses less digits than its factorization.

65201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116695.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 65201201 is about 8074.7260634649. The cubic root of 65201201 is about 402.4870070263.

Adding to 65201201 its reverse (10210256), we get a palindrome (75411457).

The spelling of 65201201 in words is "sixty-five million, two hundred one thousand, two hundred one".

Divisors: 1 13 43 559 116639 1516307 5015477 65201201