Base | Representation |
---|---|
bin | 10010111001000011… |
… | …011011111110101110 |
3 | 1221100122222011120120 |
4 | 102321003123332232 |
5 | 313020321231212 |
6 | 13152452225410 |
7 | 1315445605563 |
oct | 227103337656 |
9 | 57318864516 |
10 | 20284555182 |
11 | 866a1145a1 |
12 | 3b2130b266 |
13 | 1bb3628798 |
14 | da5dd886a |
15 | 7dac2888c |
hex | 4b90dbfae |
20284555182 has 16 divisors (see below), whose sum is σ = 40581862272. Its totient is φ = 6759393080.
The previous prime is 20284555169. The next prime is 20284555199. The reversal of 20284555182 is 28155548202.
It is a super-2 number, since 2×202845551822 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
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, 510588 + ... + 548879.
It is an arithmetic number, because the mean of its divisors is an integer number (2536366392).
Almost surely, 220284555182 is an apocalyptic number.
20284555182 is an abundant number, since it is smaller than the sum of its proper divisors (20297307090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20284555182 is a wasteful number, since it uses less digits than its factorization.
20284555182 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1062663.
The product of its (nonzero) digits is 256000, while the sum is 42.
The spelling of 20284555182 in words is "twenty billion, two hundred eighty-four million, five hundred fifty-five thousand, one hundred eighty-two".
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