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42274013881985 = 5161917872922349
BaseRepresentation
bin10011001110010101011111…
…00101001010011010000001
312112200100121201020022121022
421213022233211022122001
521020104140023210420
6225524225221435225
711622124321110224
oct1147125745123201
9175610551208538
1042274013881985
1112519343834066
1248a8ba186bb15
131a78565037832
14a62104b8b5bb
154d499dd47c25
hex2672af94a681

42274013881985 has 16 divisors (see below), whose sum is σ = 50788572696000. Its totient is φ = 33779397153216.

The previous prime is 42274013881919. The next prime is 42274013882077. The reversal of 42274013881985 is 58918831047224.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42274013881985 is a prime.

It is a Curzon number.

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, 13004591 + ... + 15926939.

It is an arithmetic number, because the mean of its divisors is an integer number (3174285793500).

Almost surely, 242274013881985 is an apocalyptic number.

It is an amenable number.

42274013881985 is a deficient number, since it is larger than the sum of its proper divisors (8514558814015).

42274013881985 is a wasteful number, since it uses less digits than its factorization.

42274013881985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925760.

The product of its (nonzero) digits is 30965760, while the sum is 62.

The spelling of 42274013881985 in words is "forty-two trillion, two hundred seventy-four billion, thirteen million, eight hundred eighty-one thousand, nine hundred eighty-five".

Divisors: 1 5 1619 1787 8095 8935 2893153 2922349 14465765 14611745 4731283031 5222237663 23656415155 26111188315 8454802776397 42274013881985