Search a number
-
+
221313331133300 = 22527316161901619
BaseRepresentation
bin110010010100100010000110…
…011111000111101101110100
31002000121100101120022202102002
4302110202012133013231310
5213001444200232231200
62102405535111434432
764421234441644010
oct6224420637075564
91060540346282362
10221313331133300
116457650288630a
12209a400a985a18
1396649b051a5b3
143c9189db51540
151a8bd033aabd5
hexc948867c7b74

221313331133300 has 36 divisors (see below), whose sum is σ = 548857061212320. Its totient is φ = 75878856388320.

The previous prime is 221313331133201. The next prime is 221313331133357. The reversal of 221313331133300 is 3331133313122.

221313331133300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158080950110 + ... + 158080951509.

It is an arithmetic number, because the mean of its divisors is an integer number (15246029478120).

Almost surely, 2221313331133300 is an apocalyptic number.

221313331133300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221313331133300 is an abundant number, since it is smaller than the sum of its proper divisors (327543730079020).

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

221313331133300 is a wasteful number, since it uses less digits than its factorization.

221313331133300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316161901640 (or 316161901633 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 221313331133300 its reverse (3331133313122), we get a palindrome (224644464446422).

The spelling of 221313331133300 in words is "two hundred twenty-one trillion, three hundred thirteen billion, three hundred thirty-one million, one hundred thirty-three thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 316161901619 632323803238 1264647606476 1580809508095 2213133311333 3161619016190 4426266622666 6323238032380 7904047540475 8852533245332 11065666556665 15808095080950 22131333113330 31616190161900 44262666226660 55328332783325 110656665566650 221313331133300