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20111241044 = 2213145783983
BaseRepresentation
bin10010101110101110…
…010010111101010100
31220220120211220021102
4102232232102331110
5312141434203134
613123341405232
71311242504546
oct225656227524
956816756242
1020111241044
1185902a9074
123a93269818
131b86755b3b
14d8ada1696
157ca8e137e
hex4aeb92f54

20111241044 has 24 divisors (see below), whose sum is σ = 35541356928. Its totient is φ = 9956905920.

The previous prime is 20111241023. The next prime is 20111241067. The reversal of 20111241044 is 44014211102.

It is a super-3 number, since 3×201112410443 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 197477 + ... + 281459.

It is an arithmetic number, because the mean of its divisors is an integer number (1480889872).

Almost surely, 220111241044 is an apocalyptic number.

It is an amenable number.

20111241044 is a deficient number, since it is larger than the sum of its proper divisors (15430115884).

20111241044 is a wasteful number, since it uses less digits than its factorization.

20111241044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84575 (or 84573 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20111241044 its reverse (44014211102), we get a palindrome (64125452146).

The spelling of 20111241044 in words is "twenty billion, one hundred eleven million, two hundred forty-one thousand, forty-four".

Divisors: 1 2 4 131 262 457 524 914 1828 59867 83983 119734 167966 239468 335932 11001773 22003546 38380231 44007092 76760462 153520924 5027810261 10055620522 20111241044