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2102201200000 = 2755114143271
BaseRepresentation
bin11110100101110100111…
…101001010110110000000
321102222011000102201221201
4132211310331022312000
5233420302001400000
64245423215230544
7304610335241206
oct36456475126600
97388130381851
102102201200000
117405a1856040
1229b506b18454
13123310105705
1473a65dc1076
1539a3a5be96a
hex1e974f4ad80

2102201200000 has 768 divisors, whose sum is σ = 6007925468160. Its totient is φ = 725760000000.

The previous prime is 2102201199997. The next prime is 2102201200027. The reversal of 2102201200000 is 21022012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 2102201200000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7757199865 + ... + 7757200135.

It is an arithmetic number, because the mean of its divisors is an integer number (7822819620).

Almost surely, 22102201200000 is an apocalyptic number.

2102201200000 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 2102201200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3003962734080).

2102201200000 is an abundant number, since it is smaller than the sum of its proper divisors (3905724268160).

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

2102201200000 is an equidigital number, since it uses as much as digits as its factorization.

2102201200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2102201200000 its reverse (21022012), we get a palindrome (2102222222012).

2102201200000 divided by its reverse (21022012) gives a 5-th power (100000 = 105).

It can be divided in two parts, 2102 and 201200000, that added together give a palindrome (201202102).

The spelling of 2102201200000 in words is "two trillion, one hundred two billion, two hundred one million, two hundred thousand".