Search a number
-
+
211264331401360 = 24510692470349993
BaseRepresentation
bin110000000010010011001111…
…011011010100100010010000
31000201000200011111110012210001
4300002103033123110202100
5210142323322314320420
62025153254412215344
762333226035402146
oct6002231733244220
91021020144405701
10211264331401360
1161351777476466
121b84053916a554
1390b61aa924563
143a253690ad596
15196570b808b0a
hexc024cf6d4890

211264331401360 has 40 divisors (see below), whose sum is σ = 491649055805880. Its totient is φ = 84426681326592.

The previous prime is 211264331401339. The next prime is 211264331401373. The reversal of 211264331401360 is 63104133462112.

It can be written as a sum of positive squares in 4 ways, for example, as 208637005824 + 211055694395536 = 456768^2 + 14527756^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235089477 + ... + 1235260516.

It is an arithmetic number, because the mean of its divisors is an integer number (12291226395147).

Almost surely, 2211264331401360 is an apocalyptic number.

211264331401360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211264331401360 is an abundant number, since it is smaller than the sum of its proper divisors (280384724404520).

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

211264331401360 is a wasteful number, since it uses less digits than its factorization.

211264331401360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470351075 (or 2470351069 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 211264331401360 its reverse (63104133462112), we get a palindrome (274368464863472).

The spelling of 211264331401360 in words is "two hundred eleven trillion, two hundred sixty-four billion, three hundred thirty-one million, four hundred one thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1069 2138 4276 5345 8552 10690 17104 21380 42760 85520 2470349993 4940699986 9881399972 12351749965 19762799944 24703499930 39525599888 49406999860 98813999720 197627999440 2640804142517 5281608285034 10563216570068 13204020712585 21126433140136 26408041425170 42252866280272 52816082850340 105632165700680 211264331401360