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65014913 = 71915703
BaseRepresentation
bin1111100000000…
…0110010000001
311112100002200202
43320000302001
5113120434123
610241254545
71416421565
oct370006201
9145302622
1065014913
1133776737
1219934455
1310614782
1488c56a5
155a93a28
hex3e00c81

65014913 has 4 divisors (see below), whose sum is σ = 65930688. Its totient is φ = 64099140.

The previous prime is 65014909. The next prime is 65014927. The reversal of 65014913 is 31941056.

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 65014913 - 22 = 65014909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65014933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457781 + ... + 457922.

It is an arithmetic number, because the mean of its divisors is an integer number (16482672).

Almost surely, 265014913 is an apocalyptic number.

It is an amenable number.

65014913 is a deficient number, since it is larger than the sum of its proper divisors (915775).

65014913 is an equidigital number, since it uses as much as digits as its factorization.

65014913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915774.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 65014913 is about 8063.1825602550. The cubic root of 65014913 is about 402.1033227811.

Adding to 65014913 its reverse (31941056), we get a palindrome (96955969).

The spelling of 65014913 in words is "sixty-five million, fourteen thousand, nine hundred thirteen".

Divisors: 1 71 915703 65014913