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12645163270 = 2512491012423
BaseRepresentation
bin10111100011011010…
…11110000100000110
31012122021002211222101
423301231132010012
5201344130211040
65450433422314
7625234054135
oct136155360406
935567084871
1012645163270
1153a9957363
12254aa0a99a
131266a1413c
1487d59d91c
154e021009a
hex2f1b5e106

12645163270 has 16 divisors (see below), whose sum is σ = 22779540000. Its totient is φ = 5054010624.

The previous prime is 12645163243. The next prime is 12645163319. The reversal of 12645163270 is 7236154621.

12645163270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 493722 + ... + 518701.

It is an arithmetic number, because the mean of its divisors is an integer number (1423721250).

Almost surely, 212645163270 is an apocalyptic number.

12645163270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12645163270 is a deficient number, since it is larger than the sum of its proper divisors (10134376730).

12645163270 is a wasteful number, since it uses less digits than its factorization.

12645163270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013679.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 12645163270 in words is "twelve billion, six hundred forty-five million, one hundred sixty-three thousand, two hundred seventy".

Divisors: 1 2 5 10 1249 2498 6245 12490 1012423 2024846 5062115 10124230 1264516327 2529032654 6322581635 12645163270