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111230030100 = 223527338915629
BaseRepresentation
bin110011110010111010…
…0111001000100010100
3101122002210220222110110
41213211310321010110
53310244341430400
6123033125323020
711015245441020
oct1474564710424
9348083828413
10111230030100
11431994a7a12
1219682866470
13a6482a6c77
1455526cd380
152d600b5e50
hex19e5d39114

111230030100 has 144 divisors (see below), whose sum is σ = 367932700800. Its totient is φ = 25414878720.

The previous prime is 111230030059. The next prime is 111230030161. The reversal of 111230030100 is 1030032111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7109086 + ... + 7124714.

It is an arithmetic number, because the mean of its divisors is an integer number (2555088200).

Almost surely, 2111230030100 is an apocalyptic number.

111230030100 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 111230030100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183966350400).

111230030100 is an abundant number, since it is smaller than the sum of its proper divisors (256702670700).

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

111230030100 is a wasteful number, since it uses less digits than its factorization.

111230030100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19042 (or 19035 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 111230030100 its reverse (1030032111), we get a palindrome (112260062211).

The spelling of 111230030100 in words is "one hundred eleven billion, two hundred thirty million, thirty thousand, one hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 420 525 700 1050 2100 3389 6778 10167 13556 15629 16945 20334 23723 31258 33890 40668 46887 47446 50835 62516 67780 71169 78145 84725 93774 94892 101670 109403 118615 142338 156290 169450 187548 203340 218806 234435 237230 254175 284676 312580 328209 338900 355845 390725 437612 468870 474460 508350 547015 593075 656418 711690 781450 937740 1016700 1094030 1172175 1186150 1312836 1423380 1562900 1641045 1779225 2188060 2344350 2372300 2735075 3282090 3558450 4688700 5470150 6564180 7116900 8205225 10940300 16410450 32820900 52966681 105933362 158900043 211866724 264833405 317800086 370766767 529666810 635600172 741533534 794500215 1059333620 1112300301 1324167025 1483067068 1589000430 1853833835 2224600602 2648334050 3178000860 3707667670 3972501075 4449201204 5296668100 5561501505 7415335340 7945002150 9269169175 11123003010 15890004300 18538338350 22246006020 27807507525 37076676700 55615015050 111230030100