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13230383860 = 2251499441307
BaseRepresentation
bin11000101001001011…
…11010001011110100
31021011001022010201001
430110211322023310
5204043434240420
610024501013044
7645601256461
oct142445721364
937131263631
1013230383860
11567a230241
1226929b4184
13132b036905
148d71ba668
155267adb0a
hex31497a2f4

13230383860 has 24 divisors (see below), whose sum is σ = 27802404000. Its totient is φ = 5288611104.

The previous prime is 13230383839. The next prime is 13230383869. The reversal of 13230383860 is 6838303231.

13230383860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230383869) 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, 190674 + ... + 250633.

It is an arithmetic number, because the mean of its divisors is an integer number (1158433500).

Almost surely, 213230383860 is an apocalyptic number.

13230383860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13230383860 is an abundant number, since it is smaller than the sum of its proper divisors (14572020140).

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

13230383860 is a wasteful number, since it uses less digits than its factorization.

13230383860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442815 (or 442813 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 13230383860 in words is "thirteen billion, two hundred thirty million, three hundred eighty-three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 1499 2998 5996 7495 14990 29980 441307 882614 1765228 2206535 4413070 8826140 661519193 1323038386 2646076772 3307595965 6615191930 13230383860