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13230410020 = 2253121339371
BaseRepresentation
bin11000101001001100…
…00000100100100100
31021011001100110120221
430110212000210210
5204043441110040
610024501334124
7645601425652
oct142446004444
937131313527
1013230410020
11567a248963
122692a07344
13132b0457a9
148d71c5dd2
155267b674a
hex314980924

13230410020 has 24 divisors (see below), whose sum is σ = 28680115968. Its totient is φ = 5121448800.

The previous prime is 13230410009. The next prime is 13230410027. The reversal of 13230410020 is 2001403231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13230409976 and 13230410003.

It is not an unprimeable number, because it can be changed into a prime (13230410027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10669066 + ... + 10670305.

It is an arithmetic number, because the mean of its divisors is an integer number (1195004832).

Almost surely, 213230410020 is an apocalyptic number.

13230410020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13230410020 is an abundant number, since it is smaller than the sum of its proper divisors (15449705948).

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

13230410020 is a wasteful number, since it uses less digits than its factorization.

13230410020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21339411 (or 21339409 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13230410020 its reverse (2001403231), we get a palindrome (15231813251).

The spelling of 13230410020 in words is "thirteen billion, two hundred thirty million, four hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 21339371 42678742 85357484 106696855 213393710 426787420 661520501 1323041002 2646082004 3307602505 6615205010 13230410020