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18301460528 = 2413531679941
BaseRepresentation
bin10001000010110110…
…100010000000110000
31202020110102112010102
4101002312202000300
5244440133214103
612224011451532
71215345563531
oct210266420060
952213375112
1018301460528
11784177419a
123669156ba8
1319588200b0
14c588a0688
15721aa4e88
hex442da2030

18301460528 has 80 divisors (see below), whose sum is σ = 39144119616. Its totient is φ = 8236999680.

The previous prime is 18301460491. The next prime is 18301460557. The reversal of 18301460528 is 82506410381.

It is a junction number, because it is equal to n+sod(n) for n = 18301460491 and 18301460500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1836038 + ... + 1845978.

Almost surely, 218301460528 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 18301460528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19572059808).

18301460528 is an abundant number, since it is smaller than the sum of its proper divisors (20842659088).

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

18301460528 is a wasteful number, since it uses less digits than its factorization.

18301460528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10182 (or 10176 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 18301460528 in words is "eighteen billion, three hundred one million, four hundred sixty thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 13 16 26 52 53 104 106 167 208 212 334 424 668 689 848 1336 1378 2171 2672 2756 4342 5512 8684 8851 9941 11024 17368 17702 19882 34736 35404 39764 70808 79528 115063 129233 141616 159056 230126 258466 460252 516932 526873 920504 1033864 1053746 1660147 1841008 2067728 2107492 3320294 4214984 6640588 6849349 8429968 13281176 13698698 21581911 26562352 27397396 43163822 54794792 86327644 87987791 109589584 172655288 175975582 345310576 351951164 703902328 1143841283 1407804656 2287682566 4575365132 9150730264 18301460528