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2089020780000 = 25345471116747
BaseRepresentation
bin11110011001100011010…
…101110110110111100000
321101201010110011000210000
4132121203111312313200
5233211303304430000
64235403301140000
7303632611435560
oct36314325666740
97351113130700
102089020780000
11735a48851450
12298a489ba600
13121cbc54391b
14731756ccda0
15395183d0000
hex1e663576de0

2089020780000 has 1200 divisors, whose sum is σ = 9572186219904. Its totient is φ = 434056320000.

The previous prime is 2089020779999. The next prime is 2089020780001. The reversal of 2089020780000 is 870209802.

It is an interprime number because it is at equal distance from previous prime (2089020779999) and next prime (2089020780001).

It is a tau number, because it is divible by the number of its divisors (1200).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089020780001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 124731627 + ... + 124748373.

Almost surely, 22089020780000 is an apocalyptic number.

2089020780000 is a gapful number since it is divisible by the number (20) 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 2089020780000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4786093109952).

2089020780000 is an abundant number, since it is smaller than the sum of its proper divisors (7483165439904).

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

2089020780000 is a wasteful number, since it uses less digits than its factorization.

2089020780000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16807 (or 16775 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

Adding to 2089020780000 its reverse (870209802), we get a palindrome (2089890989802).

The spelling of 2089020780000 in words is "two trillion, eighty-nine billion, twenty million, seven hundred eighty thousand".