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20110304444 = 2219264609269
BaseRepresentation
bin10010101110101010…
…101110010010111100
31220220112002022111112
4102232222232102330
5312141214220234
613123305341152
71311231524126
oct225652562274
956815068445
1020110304444
11858a81941a
123a92a977b8
131b864b8739
14d8abda216
157ca7a8ace
hex4aeaae4bc

20110304444 has 12 divisors (see below), whose sum is σ = 37045297800. Its totient is φ = 9525933648.

The previous prime is 20110304443. The next prime is 20110304477. The reversal of 20110304444 is 44440301102.

It is a happy number.

It is a super-2 number, since 2×201103044442 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110304443) 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 3 ways as a sum of consecutive naturals, for example, 132304559 + ... + 132304710.

It is an arithmetic number, because the mean of its divisors is an integer number (3087108150).

Almost surely, 220110304444 is an apocalyptic number.

It is an amenable number.

20110304444 is a deficient number, since it is larger than the sum of its proper divisors (16934993356).

20110304444 is a wasteful number, since it uses less digits than its factorization.

20110304444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264609292 (or 264609290 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20110304444 its reverse (44440301102), we get a palindrome (64550605546).

The spelling of 20110304444 in words is "twenty billion, one hundred ten million, three hundred four thousand, four hundred forty-four".

Divisors: 1 2 4 19 38 76 264609269 529218538 1058437076 5027576111 10055152222 20110304444