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30305027805252 = 22314881716969963
BaseRepresentation
bin1101110001111111100000…
…11010101101000001000100
310222022010120111022202102120
412320333300122231001010
512433004144104232002
6144241534303405540
76245315561064114
oct670776032550104
9128263514282376
1030305027805252
119724321166902
1234953985b38b0
1313ba9a0ab3745
1476aab214b044
15378483a82cbc
hex1b8ff06ad044

30305027805252 has 24 divisors (see below), whose sum is σ = 70712210871456. Its totient is φ = 10101607459968.

The previous prime is 30305027805223. The next prime is 30305027805343. The reversal of 30305027805252 is 25250872050303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6699178 + ... + 10270785.

It is an arithmetic number, because the mean of its divisors is an integer number (2946342119644).

Almost surely, 230305027805252 is an apocalyptic number.

It is an amenable number.

30305027805252 is an abundant number, since it is smaller than the sum of its proper divisors (40407183066204).

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

30305027805252 is a wasteful number, since it uses less digits than its factorization.

30305027805252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17118787 (or 17118785 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

Adding to 30305027805252 its reverse (25250872050303), we get a palindrome (55555899855555).

The spelling of 30305027805252 in words is "thirty trillion, three hundred five billion, twenty-seven million, eight hundred five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 148817 297634 446451 595268 892902 1785804 16969963 33939926 50909889 67879852 101819778 203639556 2525418983771 5050837967542 7576256951313 10101675935084 15152513902626 30305027805252