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2006902065 = 357219913721
BaseRepresentation
bin111011110011110…
…1110010100110001
312011212100012002010
41313213232110301
513102231331230
6531050513133
7100506246300
oct16747562461
95155305063
102006902065
1193a931253
124801357a9
1325ca22b1c
14150774437
15bb2c79b0
hex779ee531

2006902065 has 48 divisors (see below), whose sum is σ = 3754339200. Its totient is φ = 912764160.

The previous prime is 2006902061. The next prime is 2006902067. The reversal of 2006902065 is 5602096002.

It is not a de Polignac number, because 2006902065 - 22 = 2006902061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2006902061) 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 47 ways as a sum of consecutive naturals, for example, 139405 + ... + 153125.

It is an arithmetic number, because the mean of its divisors is an integer number (78215400).

Almost surely, 22006902065 is an apocalyptic number.

It is an amenable number.

2006902065 is a deficient number, since it is larger than the sum of its proper divisors (1747437135).

2006902065 is a wasteful number, since it uses less digits than its factorization.

2006902065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13942 (or 13935 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2006902065 is about 44798.4605204241. The cubic root of 2006902065 is about 1261.3687286712.

Adding to 2006902065 its reverse (5602096002), we get a palindrome (7608998067).

The spelling of 2006902065 in words is "two billion, six million, nine hundred two thousand, sixty-five".

Divisors: 1 3 5 7 15 21 35 49 105 147 199 245 597 735 995 1393 2985 4179 6965 9751 13721 20895 29253 41163 48755 68605 96047 146265 205815 288141 480235 672329 1440705 2016987 2730479 3361645 8191437 10084935 13652395 19113353 40957185 57340059 95566765 133793471 286700295 401380413 668967355 2006902065