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13230103020 = 2235491547821
BaseRepresentation
bin11000101001001001…
…10101100111101100
31021011000202212110120
430110210311213230
5204043401244040
610024451004540
7645566006631
oct142444654754
937130685416
1013230103020
11567a059242
122692899750
13132ac68b34
148d7146188
155267557d0
hex3149359ec

13230103020 has 96 divisors (see below), whose sum is σ = 37232891136. Its totient is φ = 3510124800.

The previous prime is 13230102979. The next prime is 13230103037. The reversal of 13230103020 is 2030103231.

13230103020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 16114210 + ... + 16115030.

It is an arithmetic number, because the mean of its divisors is an integer number (387842616).

Almost surely, 213230103020 is an apocalyptic number.

13230103020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13230103020 is an abundant number, since it is smaller than the sum of its proper divisors (24002788116).

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

13230103020 is a wasteful number, since it uses less digits than its factorization.

13230103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871 (or 1869 counting only the distinct ones).

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

Adding to 13230103020 its reverse (2030103231), we get a palindrome (15260206251).

The spelling of 13230103020 in words is "thirteen billion, two hundred thirty million, one hundred three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 491 547 821 982 1094 1473 1641 1642 1964 2188 2455 2463 2735 2946 3282 3284 4105 4910 4926 5470 5892 6564 7365 8205 8210 9820 9852 10940 12315 14730 16410 16420 24630 29460 32820 49260 268577 403111 449087 537154 805731 806222 898174 1074308 1209333 1342885 1347261 1611462 1612444 1796348 2015555 2245435 2418666 2685770 2694522 3222924 4028655 4031110 4490870 4837332 5371540 5389044 6046665 6736305 8057310 8062220 8981740 12093330 13472610 16114620 24186660 26945220 220501717 441003434 661505151 882006868 1102508585 1323010302 2205017170 2646020604 3307525755 4410034340 6615051510 13230103020