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12330234400 = 2552113793697
BaseRepresentation
bin10110111101111000…
…00111001000100000
31011211022111210210011
423132330013020200
5200223020000100
65355303414304
7614361156151
oct133674071040
934738453704
1012330234400
115258106670
122481454394
1312166ba1b3
1484d821928
154c2752bba
hex2def07220

12330234400 has 144 divisors (see below), whose sum is σ = 32933204640. Its totient is φ = 4470681600.

The previous prime is 12330234359. The next prime is 12330234401. The reversal of 12330234400 is 443203321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12330234401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3333352 + ... + 3337048.

It is an arithmetic number, because the mean of its divisors is an integer number (228702810).

Almost surely, 212330234400 is an apocalyptic number.

12330234400 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 12330234400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16466602320).

12330234400 is an abundant number, since it is smaller than the sum of its proper divisors (20602970240).

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

12330234400 is a wasteful number, since it uses less digits than its factorization.

12330234400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107 (or 4094 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 12330234400 its reverse (443203321), we get a palindrome (12773437721).

The spelling of 12330234400 in words is "twelve billion, three hundred thirty million, two hundred thirty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 379 400 440 550 758 800 880 1100 1516 1760 1895 2200 3032 3697 3790 4169 4400 6064 7394 7580 8338 8800 9475 12128 14788 15160 16676 18485 18950 20845 29576 30320 33352 36970 37900 40667 41690 59152 60640 66704 73940 75800 81334 83380 92425 104225 118304 133408 147880 151600 162668 166760 184850 203335 208450 295760 303200 325336 333520 369700 406670 416900 591520 650672 667040 739400 813340 833800 1016675 1301344 1401163 1478800 1626680 1667600 2033350 2802326 2957600 3253360 3335200 4066700 5604652 6506720 7005815 8133400 11209304 14011630 15412793 16266800 22418608 28023260 30825586 32533600 35029075 44837216 56046520 61651172 70058150 77063965 112093040 123302344 140116300 154127930 224186080 246604688 280232600 308255860 385319825 493209376 560465200 616511720 770639650 1120930400 1233023440 1541279300 2466046880 3082558600 6165117200 12330234400