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20085360308 = 2213386256929
BaseRepresentation
bin10010101101001011…
…100100011010110100
31220211210011000120122
4102231023210122310
5312113323012213
613121014551112
71310506513526
oct225513443264
956753130518
1020085360308
118577731532
123a86668498
131b81293ab0
14d87785a16
157c84ccd08
hex4ad2e46b4

20085360308 has 12 divisors (see below), whose sum is σ = 37853179140. Its totient is φ = 9270166272.

The previous prime is 20085360301. The next prime is 20085360331. The reversal of 20085360308 is 80306358002.

It can be written as a sum of positive squares in 2 ways, for example, as 10874735524 + 9210624784 = 104282^2 + 95972^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20085360301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193128413 + ... + 193128516.

It is an arithmetic number, because the mean of its divisors is an integer number (3154431595).

Almost surely, 220085360308 is an apocalyptic number.

It is an amenable number.

20085360308 is a deficient number, since it is larger than the sum of its proper divisors (17767818832).

20085360308 is a wasteful number, since it uses less digits than its factorization.

20085360308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386256946 (or 386256944 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 20085360308 in words is "twenty billion, eighty-five million, three hundred sixty thousand, three hundred eight".

Divisors: 1 2 4 13 26 52 386256929 772513858 1545027716 5021340077 10042680154 20085360308