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11020120001000 = 23531117678291061
BaseRepresentation
bin1010000001011101001001…
…0101101000100111101000
31110000111212002222121222122
42200113102111220213220
52421023201210013000
635234323453010412
72215114563314345
oct240272225504750
943014762877878
1011020120001000
1135696744a0510
12129b933a83a08
1361c2679261a6
142a153b7777cc
151419d2c2b085
hexa05d25689e8

11020120001000 has 512 divisors, whose sum is σ = 30295709683200. Its totient is φ = 3707320320000.

The previous prime is 11020120000997. The next prime is 11020120001003. The reversal of 11020120001000 is 10002102011.

It is an interprime number because it is at equal distance from previous prime (11020120000997) and next prime (11020120001003).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (11020120001003) 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 127 ways as a sum of consecutive naturals, for example, 10386540470 + ... + 10386541530.

It is an arithmetic number, because the mean of its divisors is an integer number (59171307975).

Almost surely, 211020120001000 is an apocalyptic number.

11020120001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11020120001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15147854841600).

11020120001000 is an abundant number, since it is smaller than the sum of its proper divisors (19275589682200).

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

11020120001000 is a wasteful number, since it uses less digits than its factorization.

11020120001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 1992 counting only the distinct ones).

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

Adding to 11020120001000 its reverse (10002102011), we get a palindrome (11030122103011).

The spelling of 11020120001000 in words is "eleven trillion, twenty billion, one hundred twenty million, one thousand".