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11110200020 = 2251247344537
BaseRepresentation
bin10100101100011100…
…00011001011010100
31001200021210122020122
422112032003023110
5140223202400040
65034242051112
7542215066463
oct122616031324
931607718218
1011110200020
114791466797
1221a0949a98
1310809cca6a
147757989da
154505ab1b5
hex2963832d4

11110200020 has 24 divisors (see below), whose sum is σ = 23333814504. Its totient is φ = 4443623936.

The previous prime is 11110200001. The next prime is 11110200041. The reversal of 11110200020 is 2000201111.

It can be written as a sum of positive squares in 4 ways, for example, as 5690590096 + 5419609924 = 75436^2 + 73618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11110199980 and 11110200007.

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, 227192 + ... + 271728.

It is an arithmetic number, because the mean of its divisors is an integer number (972242271).

Almost surely, 211110200020 is an apocalyptic number.

11110200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110200020 is an abundant number, since it is smaller than the sum of its proper divisors (12223614484).

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

11110200020 is a wasteful number, since it uses less digits than its factorization.

11110200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57019 (or 57017 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11110200020 its reverse (2000201111), we get a palindrome (13110401131).

The spelling of 11110200020 in words is "eleven billion, one hundred ten million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 12473 24946 44537 49892 62365 89074 124730 178148 222685 249460 445370 890740 555510001 1111020002 2222040004 2777550005 5555100010 11110200020