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20430004530522 = 2319323777422167
BaseRepresentation
bin1001010010100101110110…
…01010011010110101011010
32200100002102010211221201210
410221102323022122311122
510134211122124434042
6111241225311323550
74206006362151156
oct451227312326532
980302363757653
1020430004530522
116567352a482a4
12235b57b2205b6
13b52705c12342
14508b632c8066
152566709a0a9c
hex1294bb29ad5a

20430004530522 has 32 divisors (see below), whose sum is σ = 41089003293312. Its totient is φ = 6771865503744.

The previous prime is 20430004530497. The next prime is 20430004530527. The reversal of 20430004530522 is 22503540003402.

It is a self number, because there is not a number n which added to its sum of digits gives 20430004530522.

It is not an unprimeable number, because it can be changed into a prime (20430004530527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958518 + ... + 6463649.

It is an arithmetic number, because the mean of its divisors is an integer number (1284031352916).

Almost surely, 220430004530522 is an apocalyptic number.

20430004530522 is an abundant number, since it is smaller than the sum of its proper divisors (20658998762790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20430004530522 is a wasteful number, since it uses less digits than its factorization.

20430004530522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7424742.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 20430004530522 its reverse (22503540003402), we get a palindrome (42933544533924).

The spelling of 20430004530522 in words is "twenty trillion, four hundred thirty billion, four million, five hundred thirty thousand, five hundred twenty-two".

Divisors: 1 2 3 6 193 386 579 1158 2377 4754 7131 14262 458761 917522 1376283 2752566 7422167 14844334 22266501 44533002 1432478231 2864956462 4297434693 8594869386 17642490959 35284981918 52927472877 105854945754 3405000755087 6810001510174 10215002265261 20430004530522