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20087354888 = 2323532059819
BaseRepresentation
bin10010101101010011…
…001011011000001000
31220211220220100121222
4102231103023120020
5312114330324023
613121125421212
71310532461606
oct225523133010
956756810558
1020087354888
118578874047
123a8726a808
131b81811913
14d87b44876
157c8773cc8
hex4ad4cb608

20087354888 has 32 divisors (see below), whose sum is σ = 40042900800. Its totient is φ = 9425727168.

The previous prime is 20087354869. The next prime is 20087355007. The reversal of 20087354888 is 88845378002.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020158 + ... + 1039661.

It is an arithmetic number, because the mean of its divisors is an integer number (1251340650).

Almost surely, 220087354888 is an apocalyptic number.

It is an amenable number.

20087354888 is a deficient number, since it is larger than the sum of its proper divisors (19955545912).

20087354888 is a wasteful number, since it uses less digits than its factorization.

20087354888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059901 (or 2059897 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 20087354888 in words is "twenty billion, eighty-seven million, three hundred fifty-four thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 23 46 53 92 106 184 212 424 1219 2438 4876 9752 2059819 4119638 8239276 16478552 47375837 94751674 109170407 189503348 218340814 379006696 436681628 873363256 2510919361 5021838722 10043677444 20087354888