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2020018384 = 24126251149
BaseRepresentation
bin111100001100111…
…0000100011010000
312012210000120021201
41320121300203100
513114111042014
6532240000544
7101025605266
oct17031604320
95183016251
102020018384
1194727a78a
12484600154
13262665c67
141523ca436
15bc518e74
hex786708d0

2020018384 has 10 divisors (see below), whose sum is σ = 3913785650. Its totient is φ = 1010009184.

The previous prime is 2020018361. The next prime is 2020018409. The reversal of 2020018384 is 4838100202.

It can be written as a sum of positive squares in only one way, i.e., 1939521600 + 80496784 = 44040^2 + 8972^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63125559 + ... + 63125590.

It is an arithmetic number, because the mean of its divisors is an integer number (391378565).

Almost surely, 22020018384 is an apocalyptic number.

It is an amenable number.

2020018384 is a deficient number, since it is larger than the sum of its proper divisors (1893767266).

2020018384 is a wasteful number, since it uses less digits than its factorization.

2020018384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126251157 (or 126251151 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 2020018384 is about 44944.6146273388. The cubic root of 2020018384 is about 1264.1106997263.

Adding to 2020018384 its reverse (4838100202), we get a palindrome (6858118586).

The spelling of 2020018384 in words is "two billion, twenty million, eighteen thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 126251149 252502298 505004596 1010009192 2020018384