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20110444444 = 2253346727361
BaseRepresentation
bin10010101110101011…
…010000011110011100
31220220112100102112201
4102232223100132130
5312141233210234
613123312341244
71311232646236
oct225653203634
956815312481
1020110444444
11858a904622
123a92b44824
131b8653738c
14d8ac35256
157ca7d5314
hex4aead079c

20110444444 has 24 divisors (see below), whose sum is σ = 35868955248. Its totient is φ = 9862295040.

The previous prime is 20110444439. The next prime is 20110444451. The reversal of 20110444444 is 44444401102.

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, 721324 + ... + 748684.

It is an arithmetic number, because the mean of its divisors is an integer number (1494539802).

Almost surely, 220110444444 is an apocalyptic number.

It is an amenable number.

20110444444 is a deficient number, since it is larger than the sum of its proper divisors (15758510804).

20110444444 is a wasteful number, since it uses less digits than its factorization.

20110444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30885 (or 30883 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 20110444444 its reverse (44444401102), we get a palindrome (64554845546).

The spelling of 20110444444 in words is "twenty billion, one hundred ten million, four hundred forty-four thousand, four hundred forty-four".

Divisors: 1 2 4 53 106 212 3467 6934 13868 27361 54722 109444 183751 367502 735004 1450133 2900266 5800532 94860587 189721174 379442348 5027611111 10055222222 20110444444