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30030431112 = 233211100937579
BaseRepresentation
bin11011111101111101…
…000000001110001000
32212111212112222000100
4123331331000032020
5443000242243422
621443520205400
72112116311203
oct337575001610
985455488010
1030030431112
1111810439410
1259a1169860
132aa778b386
14164c4ca93a
15bab63a7ac
hex6fdf40388

30030431112 has 96 divisors (see below), whose sum is σ = 88816572000. Its totient is φ = 9090869760.

The previous prime is 30030431083. The next prime is 30030431131. The reversal of 30030431112 is 21113403003.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 780339 + ... + 817917.

It is an arithmetic number, because the mean of its divisors is an integer number (925172625).

Almost surely, 230030431112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30030431112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44408286000).

30030431112 is an abundant number, since it is smaller than the sum of its proper divisors (58786140888).

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

30030431112 is a wasteful number, since it uses less digits than its factorization.

30030431112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38611 (or 38604 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30030431112 its reverse (21113403003), we get a palindrome (51143834115).

The spelling of 30030431112 in words is "thirty billion, thirty million, four hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 1009 2018 3027 4036 6054 8072 9081 11099 12108 18162 22198 24216 33297 36324 37579 44396 66594 72648 75158 88792 99891 112737 133188 150316 199782 225474 266376 300632 338211 399564 413369 450948 676422 799128 826738 901896 1240107 1352844 1653476 2480214 2705688 3306952 3720321 4960428 7440642 9920856 14881284 29762568 37917211 75834422 113751633 151668844 227503266 303337688 341254899 417089321 455006532 682509798 834178642 910013064 1251267963 1365019596 1668357284 2502535926 2730039192 3336714568 3753803889 5005071852 7507607778 10010143704 15015215556 30030431112