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13124431300 = 22521913372039
BaseRepresentation
bin11000011100100011…
…01110110111000100
31020212122221012010011
430032101232313010
5203334323300200
610010154040004
7643143553051
oct141621566704
936778835104
1013124431300
115625443542
122663419004
1313120ba8a6
148c70ba028
1551c3305ba
hex30e46edc4

13124431300 has 72 divisors (see below), whose sum is σ = 28728161280. Its totient is φ = 5204236800.

The previous prime is 13124431277. The next prime is 13124431301. The reversal of 13124431300 is 313442131.

13124431300 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 (13124431301) 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 23 ways as a sum of consecutive naturals, for example, 6435681 + ... + 6437719.

It is an arithmetic number, because the mean of its divisors is an integer number (399002240).

Almost surely, 213124431300 is an apocalyptic number.

13124431300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13124431300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14364080640).

13124431300 is an abundant number, since it is smaller than the sum of its proper divisors (15603729980).

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

13124431300 is a wasteful number, since it uses less digits than its factorization.

13124431300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581 (or 2574 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13124431300 its reverse (313442131), we get a palindrome (13437873431).

The spelling of 13124431300 in words is "thirteen billion, one hundred twenty-four million, four hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 191 337 382 674 764 955 1348 1685 1910 2039 3370 3820 4078 4775 6740 8156 8425 9550 10195 16850 19100 20390 33700 40780 50975 64367 101950 128734 203900 257468 321835 389449 643670 687143 778898 1287340 1374286 1557796 1609175 1947245 2748572 3218350 3435715 3894490 6436700 6871430 7788980 9736225 13742860 17178575 19472450 34357150 38944900 68714300 131244313 262488626 524977252 656221565 1312443130 2624886260 3281107825 6562215650 13124431300