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203794422442 = 21356713138209
BaseRepresentation
bin1011110111001100011…
…0000001101010101010
3201111000210011022112221
42331303012001222222
511314332333004232
6233342153424254
720503134003052
oct2756306015252
9644023138487
10203794422442
1179479702a16
12335b640b08a
13162aa482960
149c14000562
15547b63c897
hex2f73181aaa

203794422442 has 16 divisors (see below), whose sum is σ = 329214561480. Its totient is φ = 94056625152.

The previous prime is 203794422413. The next prime is 203794422443. The reversal of 203794422442 is 244224497302.

It is a happy number.

203794422442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 138846409641 + 64948012801 = 372621^2 + 254849^2 .

It is not an unprimeable number, because it can be changed into a prime (203794422443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405434 + ... + 1543642.

Almost surely, 2203794422442 is an apocalyptic number.

203794422442 is a deficient number, since it is larger than the sum of its proper divisors (125420139038).

203794422442 is a wasteful number, since it uses less digits than its factorization.

203794422442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194937.

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 203794422442 in words is "two hundred three billion, seven hundred ninety-four million, four hundred twenty-two thousand, four hundred forty-two".

Divisors: 1 2 13 26 56713 113426 138209 276418 737269 1474538 1796717 3593434 7838247017 15676494034 101897211221 203794422442