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12445707305104 = 24172631296713417
BaseRepresentation
bin1011010100011011110111…
…1101101000000010010000
31122001210112202000011001021
42311012331331220002100
53112402302032230404
642245251244245224
72423113141416553
oct265067575500220
948053482004037
1012445707305104
113a69216351017
12149008a240814
136c3818638498
1431053832a69a
15168b1c3be454
hexb51bdf68090

12445707305104 has 80 divisors (see below), whose sum is σ = 25632969170688. Its totient is φ = 5833649442816.

The previous prime is 12445707305093. The next prime is 12445707305123. The reversal of 12445707305104 is 40150370754421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927600604 + ... + 927614020.

Almost surely, 212445707305104 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 12445707305104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12816484585344).

12445707305104 is an abundant number, since it is smaller than the sum of its proper divisors (13187261865584).

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

12445707305104 is a wasteful number, since it uses less digits than its factorization.

12445707305104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26672 (or 26666 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 12445707305104 in words is "twelve trillion, four hundred forty-five billion, seven hundred seven million, three hundred five thousand, one hundred four".

Divisors: 1 2 4 8 16 17 34 68 136 263 272 526 1052 2104 4208 4471 8942 12967 13417 17884 25934 26834 35768 51868 53668 71536 103736 107336 207472 214672 220439 228089 440878 456178 881756 912356 1763512 1824712 3410321 3527024 3528671 3649424 6820642 7057342 13641284 14114684 27282568 28229368 54565136 56458736 57975457 59987407 115950914 119974814 173978239 231901828 239949628 347956478 463803656 479899256 695912956 927607312 959798512 1391825912 2783651824 2957630063 5915260126 11830520252 23661040504 45756276857 47322081008 91512553714 183025107428 366050214856 732100429712 777856706569 1555713413138 3111426826276 6222853652552 12445707305104