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13445339020 = 2252923181619
BaseRepresentation
bin11001000010110011…
…11001011110001100
31021201000202222202021
430201121321132030
5210014001322040
610102100135524
7654121332061
oct144131713614
937630688667
1013445339020
11577a5a8233
1227329975a4
131363729009
14917972c68
1553a5be24a
hex32167978c

13445339020 has 24 divisors (see below), whose sum is σ = 29208841200. Its totient is φ = 5192682432.

The previous prime is 13445339009. The next prime is 13445339023. The reversal of 13445339020 is 2093354431.

13445339020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13445339023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11590230 + ... + 11591389.

It is an arithmetic number, because the mean of its divisors is an integer number (1217035050).

Almost surely, 213445339020 is an apocalyptic number.

13445339020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13445339020 is an abundant number, since it is smaller than the sum of its proper divisors (15763502180).

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

13445339020 is a wasteful number, since it uses less digits than its factorization.

13445339020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23181657 (or 23181655 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 13445339020 in words is "thirteen billion, four hundred forty-five million, three hundred thirty-nine thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 23181619 46363238 92726476 115908095 231816190 463632380 672266951 1344533902 2689067804 3361334755 6722669510 13445339020