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65116207 = 1323131231
BaseRepresentation
bin1111100001100…
…1100000101111
311112112020122101
43320121200233
5113132204312
610243355531
71420323112
oct370314057
9145466571
1065116207
1133835852
1219982ba7
131064b900
148910579
155ab3a57
hex3e1982f

65116207 has 12 divisors (see below), whose sum is σ = 70793184. Its totient is φ = 59866560.

The previous prime is 65116201. The next prime is 65116217. The reversal of 65116207 is 70261156.

It is not a de Polignac number, because 65116207 - 23 = 65116199 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 (65116201) 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, 52282 + ... + 53512.

It is an arithmetic number, because the mean of its divisors is an integer number (5899432).

Almost surely, 265116207 is an apocalyptic number.

65116207 is a deficient number, since it is larger than the sum of its proper divisors (5676977).

65116207 is a wasteful number, since it uses less digits than its factorization.

65116207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 65116207 is about 8069.4613822733. The cubic root of 65116207 is about 402.3120416603.

The spelling of 65116207 in words is "sixty-five million, one hundred sixteen thousand, two hundred seven".

Divisors: 1 13 169 313 1231 4069 16003 52897 208039 385303 5008939 65116207