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12071407338 = 2324763122613
BaseRepresentation
bin10110011111000001…
…10000111011101010
31011011021111000210200
423033200300323222
5144210240013323
65313500053030
7605066161254
oct131740607352
934137430720
1012071407338
115134aa4001
12240a834176
1311a4ba6aa3
148272c8cd4
154a9b78443
hex2cf830eea

12071407338 has 48 divisors (see below), whose sum is σ = 26754713856. Its totient is φ = 3931774560.

The previous prime is 12071407273. The next prime is 12071407339. The reversal of 12071407338 is 83370417021.

12071407338 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12071407339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 522520 + ... + 545132.

It is an arithmetic number, because the mean of its divisors is an integer number (557389872).

Almost surely, 212071407338 is an apocalyptic number.

12071407338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12071407338 is an abundant number, since it is smaller than the sum of its proper divisors (14683306518).

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

12071407338 is a wasteful number, since it uses less digits than its factorization.

12071407338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23299 (or 23296 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 12071407338 in words is "twelve billion, seventy-one million, four hundred seven thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 9 18 47 94 141 282 423 631 846 1262 1893 3786 5679 11358 22613 29657 45226 59314 67839 88971 135678 177942 203517 266913 407034 533826 1062811 2125622 3188433 6376866 9565299 14268803 19130598 28537606 42806409 85612818 128419227 256838454 670633741 1341267482 2011901223 4023802446 6035703669 12071407338