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65051413 = 79293059
BaseRepresentation
bin1111100000100…
…1101100010101
311112101221202121
43320021230111
5113123121123
610242135541
71416633160
oct370115425
9145357677
1065051413
11337a10a9
12199515b1
131062827b
1488d4ad7
155a9e75d
hex3e09b15

65051413 has 4 divisors (see below), whose sum is σ = 74344480. Its totient is φ = 55758348.

The previous prime is 65051411. The next prime is 65051417. The reversal of 65051413 is 31415056.

65051413 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65051413 - 21 = 65051411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65051411) 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 3 ways as a sum of consecutive naturals, for example, 4646523 + ... + 4646536.

It is an arithmetic number, because the mean of its divisors is an integer number (18586120).

Almost surely, 265051413 is an apocalyptic number.

It is an amenable number.

65051413 is a deficient number, since it is larger than the sum of its proper divisors (9293067).

65051413 is an equidigital number, since it uses as much as digits as its factorization.

65051413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9293066.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 65051413 is about 8065.4456169514. The cubic root of 65051413 is about 402.1785569332.

Adding to 65051413 its reverse (31415056), we get a palindrome (96466469).

The spelling of 65051413 in words is "sixty-five million, fifty-one thousand, four hundred thirteen".

Divisors: 1 7 9293059 65051413