Search a number
-
+
211301333220220 = 22515785378890291
BaseRepresentation
bin110000000010110101101100…
…111010000011101101111100
31000201011012200012220100221121
4300002311230322003231330
5210143430112301021340
62025222254205440324
762336006005564105
oct6002655472035574
91021135605810847
10211301333220220
1161366434a96651
121b847744b700a4
1390b98267ab429
143a270793c93ac
151966674eaa94a
hexc02d6ce83b7c

211301333220220 has 48 divisors (see below), whose sum is σ = 447082644966048. Its totient is φ = 83883729795840.

The previous prime is 211301333220181. The next prime is 211301333220223. The reversal of 211301333220220 is 22022333103112.

211301333220220 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 not an unprimeable number, because it can be changed into a prime (211301333220223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36766726 + ... + 42123565.

It is an arithmetic number, because the mean of its divisors is an integer number (9314221770126).

Almost surely, 2211301333220220 is an apocalyptic number.

211301333220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211301333220220 is an abundant number, since it is smaller than the sum of its proper divisors (235781311745828).

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

211301333220220 is a wasteful number, since it uses less digits than its factorization.

211301333220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78891310 (or 78891308 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 211301333220220 its reverse (22022333103112), we get a palindrome (233323666323332).

The spelling of 211301333220220 in words is "two hundred eleven trillion, three hundred one billion, three hundred thirty-three million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 157 314 628 785 853 1570 1706 3140 3412 4265 8530 17060 133921 267842 535684 669605 1339210 2678420 78890291 157780582 315561164 394451455 788902910 1577805820 12385775687 24771551374 49543102748 61928878435 67293418223 123857756870 134586836446 247715513740 269173672892 336467091115 672934182230 1345868364460 10565066661011 21130133322022 42260266644044 52825333305055 105650666610110 211301333220220