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12018118416 = 243972581211
BaseRepresentation
bin10110011000101010…
…11110111100010000
31011000120012200010220
423030111132330100
5144103114242131
65304313553040
7603551215053
oct131425367420
934016180126
1012018118416
115107a07277
1223b4a15780
131196b39695
148201b6a9a
154a514de96
hex2cc55ef10

12018118416 has 40 divisors (see below), whose sum is σ = 31366888224. Its totient is φ = 3964738560.

The previous prime is 12018118379. The next prime is 12018118421. The reversal of 12018118416 is 61481181021.

12018118416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285950 + ... + 1295261.

Almost surely, 212018118416 is an apocalyptic number.

12018118416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12018118416 is an abundant number, since it is smaller than the sum of its proper divisors (19348769808).

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

12018118416 is a wasteful number, since it uses less digits than its factorization.

12018118416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581319 (or 2581313 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 33.

Adding to 12018118416 its reverse (61481181021), we get a palindrome (73499299437).

The spelling of 12018118416 in words is "twelve billion, eighteen million, one hundred eighteen thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 48 97 194 291 388 582 776 1164 1552 2328 4656 2581211 5162422 7743633 10324844 15487266 20649688 30974532 41299376 61949064 123898128 250377467 500754934 751132401 1001509868 1502264802 2003019736 3004529604 4006039472 6009059208 12018118416