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12003231300 = 2235247851293
BaseRepresentation
bin10110010110111001…
…01100011001000100
31010222112012022212020
423023130230121010
5144040311400200
65303022523140
7603310532304
oct131334543104
933875168766
1012003231300
1150aa569375
1223aba364b0
131193a26538
1481c21d604
154a3bacea0
hex2cb72c644

12003231300 has 72 divisors (see below), whose sum is σ = 35468313216. Its totient is φ = 3132754560.

The previous prime is 12003231271. The next prime is 12003231301. The reversal of 12003231300 is 313230021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12003231300.

It is not an unprimeable number, because it can be changed into a prime (12003231301) 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, 411547 + ... + 439746.

Almost surely, 212003231300 is an apocalyptic number.

12003231300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003231300 is an abundant number, since it is smaller than the sum of its proper divisors (23465081916).

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

12003231300 is a wasteful number, since it uses less digits than its factorization.

12003231300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851357 (or 851350 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12003231300 its reverse (313230021), we get a palindrome (12316461321).

The spelling of 12003231300 in words is "twelve billion, three million, two hundred thirty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 47 50 60 75 94 100 141 150 188 235 282 300 470 564 705 940 1175 1410 2350 2820 3525 4700 7050 14100 851293 1702586 2553879 3405172 4256465 5107758 8512930 10215516 12769395 17025860 21282325 25538790 40010771 42564650 51077580 63846975 80021542 85129300 120032313 127693950 160043084 200053855 240064626 255387900 400107710 480129252 600161565 800215420 1000269275 1200323130 2000538550 2400646260 3000807825 4001077100 6001615650 12003231300