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213404224132 = 221159139591403
BaseRepresentation
bin1100011010111111100…
…0100000101010000100
3202101211111200211020001
43012233320200222010
511444022440133012
6242011521051044
721263232655441
oct3065770405204
9671744624201
10213404224132
1182560137190
1235438786a84
131717c381048
14a4863d09c8
155840121357
hex31afe20a84

213404224132 has 48 divisors (see below), whose sum is σ = 417294662400. Its totient is φ = 94671632160.

The previous prime is 213404224127. The next prime is 213404224139. The reversal of 213404224132 is 231422404312.

It is a self number, because there is not a number n which added to its sum of digits gives 213404224132.

It is not an unprimeable number, because it can be changed into a prime (213404224139) 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 15 ways as a sum of consecutive naturals, for example, 65143 + ... + 656545.

It is an arithmetic number, because the mean of its divisors is an integer number (8693638800).

Almost surely, 2213404224132 is an apocalyptic number.

213404224132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213404224132 is a deficient number, since it is larger than the sum of its proper divisors (203890438268).

213404224132 is a wasteful number, since it uses less digits than its factorization.

213404224132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591616 (or 591614 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 213404224132 its reverse (231422404312), we get a palindrome (444826628444).

The spelling of 213404224132 in words is "two hundred thirteen billion, four hundred four million, two hundred twenty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 59 118 139 236 278 556 649 1298 1529 2596 3058 6116 8201 16402 32804 90211 180422 360844 591403 1182806 2365612 6505433 13010866 26021732 34892777 69785554 82205017 139571108 164410034 328820068 383820547 767641094 904255187 1535282188 1808510374 3617020748 4850096003 9700192006 19400384012 53351056033 106702112066 213404224132