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30340033644 = 22319975692411
BaseRepresentation
bin11100010000011010…
…000010110001101100
32220022110010101211210
4130100122002301230
5444114022034034
621534340114420
72122566013404
oct342032026154
986273111753
1030340033644
111195a181378
125a68995a10
132b2696bb3b
14167b67d804
15bc88e48e9
hex710682c6c

30340033644 has 96 divisors (see below), whose sum is σ = 75451219200. Its totient is φ = 9461698560.

The previous prime is 30340033643. The next prime is 30340033651. The reversal of 30340033644 is 44633004303.

It is not an unprimeable number, because it can be changed into a prime (30340033643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12582799 + ... + 12585209.

It is an arithmetic number, because the mean of its divisors is an integer number (785950200).

Almost surely, 230340033644 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 30340033644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37725609600).

30340033644 is an abundant number, since it is smaller than the sum of its proper divisors (45111185556).

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

30340033644 is a wasteful number, since it uses less digits than its factorization.

30340033644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103 (or 3101 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 30340033644 its reverse (44633004303), we get a palindrome (74973037947).

The spelling of 30340033644 in words is "thirty billion, three hundred forty million, thirty-three thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 97 114 194 228 291 388 569 582 1138 1164 1707 1843 2276 2411 3414 3686 4822 5529 6828 7233 7372 9644 10811 11058 14466 21622 22116 28932 32433 43244 45809 55193 64866 91618 110386 129732 137427 165579 183236 220772 233867 274854 331158 467734 549708 662316 701601 935468 1048667 1371859 1403202 2097334 2743718 2806404 3146001 4115577 4194668 4443473 5487436 6292002 8231154 8886946 12584004 13330419 16462308 17773892 26065321 26660838 52130642 53321676 78195963 104261284 133070323 156391926 266140646 312783852 399210969 532281292 798421938 1596843876 2528336137 5056672274 7585008411 10113344548 15170016822 30340033644