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802928899969 = 74182872
BaseRepresentation
bin10111010111100100100…
…10101011011110000001
32211202111111101021102021
423223302102223132001
5101123344244244334
61412505504521441
7112003220020000
oct13536222533601
92752444337367
10802928899969
1128a57a482689
1210b743320281
135a93c9c8791
142ac0d340c37
1515d454de3b4
hexbaf24ab781

802928899969 has 15 divisors (see below), whose sum is σ = 936745872257. Its totient is φ = 688187136756.

The previous prime is 802928899961. The next prime is 802928900003. The reversal of 802928899969 is 969998829208.

The square root of 802928899969 is 896063.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 802928899969 - 23 = 802928899961 is a prime.

It is a super-2 number, since 2×8029288999692 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (802928899961) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 43897944 + ... + 43916230.

Almost surely, 2802928899969 is an apocalyptic number.

802928899969 is the 896063-rd square number.

802928899969 is the 448032-nd centered octagonal number.

It is an amenable number.

802928899969 is a deficient number, since it is larger than the sum of its proper divisors (133816972288).

802928899969 is an frugal number, since it uses more digits than its factorization.

802928899969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36602 (or 18294 counting only the distinct ones).

The product of its (nonzero) digits is 725594112, while the sum is 79.

The spelling of 802928899969 in words is "eight hundred two billion, nine hundred twenty-eight million, eight hundred ninety-nine thousand, nine hundred sixty-nine".

Divisors: 1 7 49 343 2401 18287 128009 896063 6272441 43907087 334414369 2340900583 16386304081 114704128567 802928899969