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520031422230511 = 109137199229787971
BaseRepresentation
bin111011000111101110100000…
…0001100011010111111101111
32112012021111222221111211221111
41312033131000030122333233
51021130143323042334021
65042003045355212451
7214352013266520142
oct16617350014327757
92465244887454844
10520031422230511
111407750a6726754
124a3a96a7147127
13194229a28a2a19
14925b925980059
15401c3261948e1
hex1d8f74031afef

520031422230511 has 64 divisors (see below), whose sum is σ = 534837790080000. Its totient is φ = 505541696394240.

The previous prime is 520031422230493. The next prime is 520031422230539. The reversal of 520031422230511 is 115032224130025.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 520031422230511 - 215 = 520031422197743 is a prime.

It is a super-2 number, since 2×5200314222305112 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520031422230571) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 535562741256 + ... + 535562742226.

It is an arithmetic number, because the mean of its divisors is an integer number (8356840470000).

Almost surely, 2520031422230511 is an apocalyptic number.

520031422230511 is a deficient number, since it is larger than the sum of its proper divisors (14806367849489).

520031422230511 is a wasteful number, since it uses less digits than its factorization.

520031422230511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 520031422230511 its reverse (115032224130025), we get a palindrome (635063646360536).

The spelling of 520031422230511 in words is "five hundred twenty trillion, thirty-one billion, four hundred twenty-two million, two hundred thirty thousand, five hundred eleven".

Divisors: 1 109 137 199 229 787 971 14933 21691 24961 27263 31373 45571 85783 105839 107819 133027 156613 180223 193229 222359 764177 2971667 3419657 4967239 6243227 11752271 14499943 17070817 19644307 21061961 21455981 24237131 24690551 26472373 30463183 35864377 44249441 83295293 104692249 152071223 174996533 680511743 2338701929 2691270059 2885488657 3320486947 3909217093 4823189069 4913419649 6062173417 11411455141 16575763307 19074622097 20833757551 23974525021 34824310067 535562741741 660776902453 2270879573059 2613223227289 3795849797303 4770930479179 520031422230511