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2069809343 = 72431576257
BaseRepresentation
bin111101101011110…
…1100100010111111
312100020201012122022
41323113230202333
513214332344333
6541215110355
7102202042400
oct17327544277
95306635568
102069809343
11972398438
124992123bb
1326ca7a174
14158c6b9a7
15c1aa1c98
hex7b5ec8bf

2069809343 has 24 divisors (see below), whose sum is σ = 2479820112. Its totient is φ = 1721551104.

The previous prime is 2069809337. The next prime is 2069809349. The reversal of 2069809343 is 3439089602.

It is an interprime number because it is at equal distance from previous prime (2069809337) and next prime (2069809349).

It is not a de Polignac number, because 2069809343 - 28 = 2069809087 is a prime.

It is a super-2 number, since 2×20698093432 = 8568221432740183298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2069809294 and 2069809303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069809349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327671 + ... + 333927.

It is an arithmetic number, because the mean of its divisors is an integer number (103325838).

Almost surely, 22069809343 is an apocalyptic number.

2069809343 is a deficient number, since it is larger than the sum of its proper divisors (410010769).

2069809343 is a wasteful number, since it uses less digits than its factorization.

2069809343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471 (or 6464 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 2069809343 is about 45495.1573576793. The cubic root of 2069809343 is about 1274.4127692815.

The spelling of 2069809343 in words is "two billion, sixty-nine million, eight hundred nine thousand, three hundred forty-three".

Divisors: 1 7 43 49 157 301 1099 2107 6257 6751 7693 43799 47257 269051 306593 330799 982349 1883357 6876443 13183499 42241007 48135101 295687049 2069809343