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505201140210020 = 225166191519950479
BaseRepresentation
bin111001011011110100100111…
…0100000001001100101100100
32110020202202110002111010102212
41302313221032200021211210
51012204203413343210040
64550250111055022552
7211261402133331362
oct16267511640114544
92406682402433385
10505201140210020
11136a7766709a161
12487b344780aa58
13188b83560660b7
148ca7c194cc632
153d6169371dd65
hex1cb7a4e809964

505201140210020 has 24 divisors (see below), whose sum is σ = 1060986233059200. Its totient is φ = 202068296347232.

The previous prime is 505201140209989. The next prime is 505201140210071. The reversal of 505201140210020 is 20012041102505.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 759642860 + ... + 760307619.

It is an arithmetic number, because the mean of its divisors is an integer number (44207759710800).

Almost surely, 2505201140210020 is an apocalyptic number.

It is an amenable number.

505201140210020 is an abundant number, since it is smaller than the sum of its proper divisors (555785092849180).

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

505201140210020 is a wasteful number, since it uses less digits than its factorization.

505201140210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519967107 (or 1519967105 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 505201140210020 its reverse (20012041102505), we get a palindrome (525213181312525).

The spelling of 505201140210020 in words is "five hundred five trillion, two hundred one billion, one hundred forty million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 16619 33238 66476 83095 166190 332380 1519950479 3039900958 6079801916 7599752395 15199504790 30399009580 25260057010501 50520114021002 101040228042004 126300285052505 252600570105010 505201140210020