Search a number
-
+
2102201231120 = 24526277515389
BaseRepresentation
bin11110100101110100111…
…101010010011100010000
321102222011000111022122022
4132211310331102130100
5233420302003343440
64245423220031012
7304610335431014
oct36456475223420
97388130438568
102102201231120
117405a1877461
1229b506b32468
13123310116923
1473a65dcc544
1539a3a5c8cb5
hex1e974f52710

2102201231120 has 20 divisors (see below), whose sum is σ = 4887617862540. Its totient is φ = 840880492416.

The previous prime is 2102201231069. The next prime is 2102201231149. The reversal of 2102201231120 is 211321022012.

It can be written as a sum of positive squares in 2 ways, for example, as 732140345104 + 1370060886016 = 855652^2 + 1170496^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×21022012311202 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13138757615 + ... + 13138757774.

It is an arithmetic number, because the mean of its divisors is an integer number (244380893127).

Almost surely, 22102201231120 is an apocalyptic number.

2102201231120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102201231120 is an abundant number, since it is smaller than the sum of its proper divisors (2785416631420).

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

2102201231120 is a wasteful number, since it uses less digits than its factorization.

2102201231120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26277515402 (or 26277515396 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2102201231120 its reverse (211321022012), we get a palindrome (2313522253132).

The spelling of 2102201231120 in words is "two trillion, one hundred two billion, two hundred one million, two hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 26277515389 52555030778 105110061556 131387576945 210220123112 262775153890 420440246224 525550307780 1051100615560 2102201231120