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20110213101320 = 235528079520619
BaseRepresentation
bin1001001001010010001100…
…00110111011011100001000
32122012111222022212011002022
410210221012012323130020
510113441204023220240
6110434300535224012
74143625553643656
oct444510606733410
978174868764068
1020110213101320
11645376a029341
1223095b1818008
13b2b5009a42a4
144d74a7873dd6
1524d1a5a249b5
hex124a461bb708

20110213101320 has 32 divisors (see below), whose sum is σ = 45248841086400. Its totient is φ = 8043932065728.

The previous prime is 20110213101313. The next prime is 20110213101347. The reversal of 20110213101320 is 2310131201102.

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, 2648030 + ... + 6872589.

It is an arithmetic number, because the mean of its divisors is an integer number (1414026283950).

Almost surely, 220110213101320 is an apocalyptic number.

20110213101320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110213101320 is an abundant number, since it is smaller than the sum of its proper divisors (25138627985080).

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

20110213101320 is a wasteful number, since it uses less digits than its factorization.

20110213101320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9573437 (or 9573433 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20110213101320 its reverse (2310131201102), we get a palindrome (22420344302422).

The spelling of 20110213101320 in words is "twenty trillion, one hundred ten billion, two hundred thirteen million, one hundred one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 52807 105614 211228 264035 422456 528070 1056140 2112280 9520619 19041238 38082476 47603095 76164952 95206190 190412380 380824760 502755327533 1005510655066 2011021310132 2513776637665 4022042620264 5027553275330 10055106550660 20110213101320