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204785083426 = 27112177111087
BaseRepresentation
bin1011111010111000100…
…1000110010000100010
3201120120211021002221111
42332232021012100202
511323344440132201
6234024343013534
720536523326360
oct2765611062042
9646524232844
10204785083426
1179937928200
123383213a2aa
13164077a00a1
149ca97da630
1554d85c6b51
hex2fae246422

204785083426 has 48 divisors (see below), whose sum is σ = 408574672128. Its totient is φ = 75093068160.

The previous prime is 204785083387. The next prime is 204785083427. The reversal of 204785083426 is 624380587402.

It is a self number, because there is not a number n which added to its sum of digits gives 204785083426.

It is not an unprimeable number, because it can be changed into a prime (204785083427) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3526746 + ... + 3584341.

It is an arithmetic number, because the mean of its divisors is an integer number (8511972336).

Almost surely, 2204785083426 is an apocalyptic number.

204785083426 is a deficient number, since it is larger than the sum of its proper divisors (203789588702).

204785083426 is a wasteful number, since it uses less digits than its factorization.

204785083426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7111135 (or 7111124 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 204785083426 in words is "two hundred four billion, seven hundred eighty-five million, eighty-three thousand, four hundred twenty-six".

Divisors: 1 2 7 11 14 17 22 34 77 119 121 154 187 238 242 374 847 1309 1694 2057 2618 4114 14399 28798 7111087 14222174 49777609 78221957 99555218 120888479 156443914 241776958 547553699 846219353 860441527 1095107398 1329773269 1692438706 1720883054 2659546538 6023090689 9308412883 12046181378 14627505959 18616825766 29255011918 102392541713 204785083426