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12580885508060 = 2254211771493539
BaseRepresentation
bin1011011100010011011100…
…1101100010111111011100
31122112201110112122100201202
42313010313031202333130
53122111123142224220
642431325022255032
72435640033243542
oct267046715427734
948481415570652
1012580885508060
114010583982721
1214b2315127478
137034ac26381c
14316cbd403d92
1516c3ceb3a275
hexb7137362fdc

12580885508060 has 24 divisors (see below), whose sum is σ = 26419939985040. Its totient is φ = 5032338885504.

The previous prime is 12580885508039. The next prime is 12580885508071. The reversal of 12580885508060 is 6080558808521.

It is a junction number, because it is equal to n+sod(n) for n = 12580885507987 and 12580885508005.

It is a congruent number.

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, 7676771 + ... + 9170309.

It is an arithmetic number, because the mean of its divisors is an integer number (1100830832710).

Almost surely, 212580885508060 is an apocalyptic number.

12580885508060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12580885508060 is an abundant number, since it is smaller than the sum of its proper divisors (13839054476980).

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

12580885508060 is a wasteful number, since it uses less digits than its factorization.

12580885508060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914725 (or 1914723 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 56.

The spelling of 12580885508060 in words is "twelve trillion, five hundred eighty billion, eight hundred eighty-five million, five hundred eight thousand, sixty".

Divisors: 1 2 4 5 10 20 421177 842354 1493539 1684708 2105885 2987078 4211770 5974156 7467695 8423540 14935390 29870780 629044275403 1258088550806 2516177101612 3145221377015 6290442754030 12580885508060