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1065664534 = 211531019049
BaseRepresentation
bin111111100001001…
…100000000010110
32202021020100220211
4333201030000112
54140302231114
6253424520034
735256666454
oct7741140026
92667210824
101065664534
114a75a35a0
12258a8001a
1313ca1b53c
14a17619d4
15638526c4
hex3f84c016

1065664534 has 32 divisors (see below), whose sum is σ = 1794506400. Its totient is φ = 470496000.

The previous prime is 1065664487. The next prime is 1065664541. The reversal of 1065664534 is 4354665601.

It is a super-2 number, since 2×10656645342 = 2271281798050874312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 113242 + ... + 122290.

It is an arithmetic number, because the mean of its divisors is an integer number (56078325).

Almost surely, 21065664534 is an apocalyptic number.

1065664534 is a deficient number, since it is larger than the sum of its proper divisors (728841866).

1065664534 is a wasteful number, since it uses less digits than its factorization.

1065664534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 1065664534 is about 32644.5176714253. The cubic root of 1065664534 is about 1021.4258330519.

The spelling of 1065664534 in words is "one billion, sixty-five million, six hundred sixty-four thousand, five hundred thirty-four".

Divisors: 1 2 11 22 53 101 106 202 583 1111 1166 2222 5353 9049 10706 18098 58883 99539 117766 199078 479597 913949 959194 1827898 5275567 10053439 10551134 20106878 48439297 96878594 532832267 1065664534