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13313223312 = 243311891829
BaseRepresentation
bin11000110011000011…
…11010101010010000
31021100211011211001220
430121201322222100
5204231141121222
610041020325040
7650625350064
oct143141725220
937324154056
1013313223312
115711a707a4
1226b66a3780
13134224c53c
149041c1aa4
1552dbc3b5c
hex31987aa90

13313223312 has 40 divisors (see below), whose sum is σ = 34503119040. Its totient is φ = 4423466880.

The previous prime is 13313223307. The next prime is 13313223317. The reversal of 13313223312 is 21332231331.

It is an interprime number because it is at equal distance from previous prime (13313223307) and next prime (13313223317).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13313223317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430987 + ... + 460842.

It is an arithmetic number, because the mean of its divisors is an integer number (862577976).

Almost surely, 213313223312 is an apocalyptic number.

13313223312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13313223312 is an abundant number, since it is smaller than the sum of its proper divisors (21189895728).

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

13313223312 is a wasteful number, since it uses less digits than its factorization.

13313223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892151 (or 892145 counting only the distinct ones).

The product of its digits is 1944, while the sum is 24.

Adding to 13313223312 its reverse (21332231331), we get a palindrome (34645454643).

The spelling of 13313223312 in words is "thirteen billion, three hundred thirteen million, two hundred twenty-three thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 311 622 933 1244 1866 2488 3732 4976 7464 14928 891829 1783658 2675487 3567316 5350974 7134632 10701948 14269264 21403896 42807792 277358819 554717638 832076457 1109435276 1664152914 2218870552 3328305828 4437741104 6656611656 13313223312