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30111222030 = 23510724138923
BaseRepresentation
bin11100000010110001…
…001100100100001110
32212201111120120022120
4130002301030210032
5443131433101110
621455523553410
72114120110221
oct340261144416
985644516276
1030111222030
1111851aaa86a
125a0422b866
132abb437756
14165911b5b8
15bb3798870
hex702c4c90e

30111222030 has 64 divisors (see below), whose sum is σ = 73246871808. Its totient is φ = 7921405440.

The previous prime is 30111222013. The next prime is 30111222047. The reversal of 30111222030 is 3022211103.

It is an interprime number because it is at equal distance from previous prime (30111222013) and next prime (30111222047).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 754149 + ... + 793071.

It is an arithmetic number, because the mean of its divisors is an integer number (1144482372).

Almost surely, 230111222030 is an apocalyptic number.

30111222030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30111222030 is an abundant number, since it is smaller than the sum of its proper divisors (43135649778).

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

30111222030 is a wasteful number, since it uses less digits than its factorization.

30111222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39281.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30111222030 its reverse (3022211103), we get a palindrome (33133433133).

The spelling of 30111222030 in words is "thirty billion, one hundred eleven million, two hundred twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 107 214 241 321 482 535 642 723 1070 1205 1446 1605 2410 3210 3615 7230 25787 38923 51574 77361 77846 116769 128935 154722 194615 233538 257870 386805 389230 583845 773610 1167690 4164761 8329522 9380443 12494283 18760886 20823805 24988566 28141329 41647610 46902215 56282658 62471415 93804430 124942830 140706645 281413290 1003707401 2007414802 3011122203 5018537005 6022244406 10037074010 15055611015 30111222030