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20052065306 = 2713212766733
BaseRepresentation
bin10010101011001100…
…100011110000011010
31220202110111110102102
4102223030203300122
5312031312042211
613113425203402
71306623512540
oct225314436032
956673443372
1020052065306
11855a9604a9
123a77490562
131b77407100
14d83199d90
157c5602a3b
hex4ab323c1a

20052065306 has 48 divisors (see below), whose sum is σ = 37516253184. Its totient is φ = 7870105152.

The previous prime is 20052065281. The next prime is 20052065309. The reversal of 20052065306 is 60356025002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20052065309) 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, 267116 + ... + 333848.

It is an arithmetic number, because the mean of its divisors is an integer number (781588608).

Almost surely, 220052065306 is an apocalyptic number.

20052065306 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20052065306 is a deficient number, since it is larger than the sum of its proper divisors (17464187878).

20052065306 is a wasteful number, since it uses less digits than its factorization.

20052065306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66895 (or 66882 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 20052065306 in words is "twenty billion, fifty-two million, sixty-five thousand, three hundred six".

Divisors: 1 2 7 13 14 26 91 127 169 182 254 338 889 1183 1651 1778 2366 3302 11557 21463 23114 42926 66733 133466 150241 300482 467131 867529 934262 1735058 6072703 8475091 11277877 12145406 16950182 22555754 59325637 78945139 110176183 118651274 157890278 220352366 771233281 1432290379 1542466562 2864580758 10026032653 20052065306