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1065418705 = 51316391057
BaseRepresentation
bin111111100000001…
…111111111010001
32202020202212201001
4333200033333101
54140221344310
6253415342001
735254623661
oct7740177721
92666685631
101065418705
114a744592a
12258981901
1313c963690
14a16da1a1
156380493a
hex3f80ffd1

1065418705 has 8 divisors (see below), whose sum is σ = 1376848872. Its totient is φ = 786770688.

The previous prime is 1065418699. The next prime is 1065418709. The reversal of 1065418705 is 5078145601.

1065418705 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 193515921 + 871902784 = 13911^2 + 29528^2 .

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 1065418705 - 219 = 1064894417 is a prime.

It is a super-2 number, since 2×10654187052 = 2270234033927754050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065418709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8195464 + ... + 8195593.

It is an arithmetic number, because the mean of its divisors is an integer number (172106109).

Almost surely, 21065418705 is an apocalyptic number.

It is an amenable number.

1065418705 is a deficient number, since it is larger than the sum of its proper divisors (311430167).

1065418705 is a wasteful number, since it uses less digits than its factorization.

1065418705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16391075.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 1065418705 is about 32640.7522125333. The cubic root of 1065418705 is about 1021.3472856938.

The spelling of 1065418705 in words is "one billion, sixty-five million, four hundred eighteen thousand, seven hundred five".

Divisors: 1 5 13 65 16391057 81955285 213083741 1065418705