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11110010020020 = 2232561722277889
BaseRepresentation
bin1010000110101100000000…
…1100110110000010110100
31110100002212200220201120100
42201223000030312002310
52424011300031120040
635343511304034100
72224446256005552
oct241530014660264
943302780821510
1011110010020020
1135a380202322a
1212b523ba62930
13627891a1b962
142a5a27c06bd2
15143ee45d0b30
hexa1ac03360b4

11110010020020 has 36 divisors (see below), whose sum is σ = 33700363727940. Its totient is φ = 2962669338624.

The previous prime is 11110010020001. The next prime is 11110010020037. The reversal of 11110010020020 is 2002001001111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5777956372644 + 5332053647376 = 2403738^2 + 2309124^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11110010019984 and 11110010020011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30861138765 + ... + 30861139124.

It is an arithmetic number, because the mean of its divisors is an integer number (936121214665).

Almost surely, 211110010020020 is an apocalyptic number.

11110010020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110010020020 is an abundant number, since it is smaller than the sum of its proper divisors (22590353707920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11110010020020 is a wasteful number, since it uses less digits than its factorization.

11110010020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61722277904 (or 61722277899 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11110010020020 its reverse (2002001001111), we get a palindrome (13112011021131).

The spelling of 11110010020020 in words is "eleven trillion, one hundred ten billion, ten million, twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 61722277889 123444555778 185166833667 246889111556 308611389445 370333667334 555500501001 617222778890 740667334668 925834168335 1111001002002 1234445557780 1851668336670 2222002004004 2777502505005 3703336673340 5555005010010 11110010020020