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13030213210220 = 2252328326550457
BaseRepresentation
bin1011110110011101010100…
…1110101101000001101100
31201010200020221222122002102
42331213111032231001230
53201441334040211340
643413555230314232
72513254554554363
oct275472516550154
951120227878072
1013030213210220
11417409a729818
121565414058978
137369892815bb
143309468d07da
15178e2bd79215
hexbd9d53ad06c

13030213210220 has 24 divisors (see below), whose sum is σ = 28553162861664. Its totient is φ = 4985472880256.

The previous prime is 13030213210211. The next prime is 13030213210271. The reversal of 13030213210220 is 2201231203031.

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

It is a junction number, because it is equal to n+sod(n) for n = 13030213210192 and 13030213210201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14163274769 + ... + 14163275688.

It is an arithmetic number, because the mean of its divisors is an integer number (1189715119236).

Almost surely, 213030213210220 is an apocalyptic number.

13030213210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13030213210220 is an abundant number, since it is smaller than the sum of its proper divisors (15522949651444).

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

13030213210220 is a wasteful number, since it uses less digits than its factorization.

13030213210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28326550489 (or 28326550487 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13030213210220 its reverse (2201231203031), we get a palindrome (15231444413251).

The spelling of 13030213210220 in words is "thirteen trillion, thirty billion, two hundred thirteen million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 28326550457 56653100914 113306201828 141632752285 283265504570 566531009140 651510660511 1303021321022 2606042642044 3257553302555 6515106605110 13030213210220