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2211301331300 = 2252172111768501
BaseRepresentation
bin100000001011011011110…
…101001001000101100100
321211101202101120122112102
4200023123311021011210
5242212221120100200
64411505141511232
7315522052120565
oct40133365110544
97741671518472
102211301331300
11782897a53506
122b8694412518
131306a9053919
147905588016c
153c7c36b46d5
hex202dbd49164

2211301331300 has 108 divisors (see below), whose sum is σ = 5102031837084. Its totient is φ = 831732480000.

The previous prime is 2211301331299. The next prime is 2211301331311. The reversal of 2211301331300 is 31331031122.

It can be written as a sum of positive squares in 18 ways, for example, as 1968206973184 + 243094358116 = 1402928^2 + 493046^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32247050 + ... + 32315550.

Almost surely, 22211301331300 is an apocalyptic number.

2211301331300 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 2211301331300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2551015918542).

2211301331300 is an abundant number, since it is smaller than the sum of its proper divisors (2890730505784).

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

2211301331300 is a wasteful number, since it uses less digits than its factorization.

2211301331300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69666 (or 69642 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 2211301331300 its reverse (31331031122), we get a palindrome (2242632362422).

The spelling of 2211301331300 in words is "two trillion, two hundred eleven billion, three hundred one million, three hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 289 340 425 578 850 1117 1156 1445 1700 2234 2890 4468 5585 5780 7225 11170 14450 18989 22340 27925 28900 37978 55850 68501 75956 94945 111700 137002 189890 274004 322813 342505 379780 474725 645626 685010 949450 1164517 1291252 1370020 1614065 1712525 1898900 2329034 3228130 3425050 4658068 5822585 6456260 6850100 8070325 11645170 16140650 19796789 23290340 29112925 32281300 39593578 58225850 76515617 79187156 98983945 116451700 153031234 197967890 306062468 382578085 395935780 494919725 765156170 989839450 1300765489 1530312340 1912890425 1979678900 2601530978 3825780850 5203061956 6503827445 7651561700 13007654890 22113013313 26015309780 32519137225 44226026626 65038274450 88452053252 110565066565 130076548900 221130133130 442260266260 552825332825 1105650665650 2211301331300