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420265204356206 = 21190866921023017
BaseRepresentation
bin101111110001110101001111…
…0001101111001010001101110
32001010000221221200111210121202
41133203222132031321101232
5420041111114303344311
64045455100342525502
7154344105354543146
oct13743523615712156
92033027850453552
10420265204356206
11111a00521627820
123b176266736892
1315066ab988a741
1475acd316d5926
15338c0e0a0ce3b
hex17e3a9e37946e

420265204356206 has 16 divisors (see below), whose sum is σ = 687707487578160. Its totient is φ = 191029419026880.

The previous prime is 420265204356169. The next prime is 420265204356259. The reversal of 420265204356206 is 602653402562024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9479210 + ... + 30502226.

It is an arithmetic number, because the mean of its divisors is an integer number (42981717973635).

Almost surely, 2420265204356206 is an apocalyptic number.

420265204356206 is a deficient number, since it is larger than the sum of its proper divisors (267442283221954).

420265204356206 is a wasteful number, since it uses less digits than its factorization.

420265204356206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21931699.

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 420265204356206 in words is "four hundred twenty trillion, two hundred sixty-five billion, two hundred four million, three hundred fifty-six thousand, two hundred six".

Divisors: 1 2 11 22 908669 1817338 9995359 19990718 21023017 42046034 231253187 462506374 19102963834373 38205927668746 210132602178103 420265204356206