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13002013221020 = 225650100661051
BaseRepresentation
bin1011110100110100010001…
…1000010010000010011100
31201000222110122201202022222
42331031010120102002130
53201011110341033040
643353013054524512
72511236002606415
oct275150430220234
951028418652288
1013002013221020
11416313955751a
12155ba63b06738
13734113ab1465
1432d42d56280c
1517832b2abbb5
hexbd34461209c

13002013221020 has 12 divisors (see below), whose sum is σ = 27304227764184. Its totient is φ = 5200805288400.

The previous prime is 13002013221011. The next prime is 13002013221049. The reversal of 13002013221020 is 2012231020031.

It is a self number, because there is not a number n which added to its sum of digits gives 13002013221020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325050330506 + ... + 325050330545.

It is an arithmetic number, because the mean of its divisors is an integer number (2275352313682).

Almost surely, 213002013221020 is an apocalyptic number.

13002013221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13002013221020 is an abundant number, since it is smaller than the sum of its proper divisors (14302214543164).

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

13002013221020 is a wasteful number, since it uses less digits than its factorization.

13002013221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650100661060 (or 650100661058 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13002013221020 its reverse (2012231020031), we get a palindrome (15014244241051).

The spelling of 13002013221020 in words is "thirteen trillion, two billion, thirteen million, two hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 650100661051 1300201322102 2600402644204 3250503305255 6501006610510 13002013221020