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520401351063 = 31173216023807
BaseRepresentation
bin1111001001010100101…
…01100111000110010111
31211202020122221201122110
413210222111213012113
532011240221213223
61035022531002103
752412013333066
oct7445225470627
91752218851573
10520401351063
11190778aa5510
1284a35439333
133a0c5a1ac39
141b28a9421dd
15d80bc2cd93
hex792a567197

520401351063 has 16 divisors (see below), whose sum is σ = 767316566016. Its totient is φ = 311074280640.

The previous prime is 520401351053. The next prime is 520401351187. The reversal of 520401351063 is 360153104025.

It is not a de Polignac number, because 520401351063 - 29 = 520401350551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520401351063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520401351053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108009495 + ... + 108014312.

It is an arithmetic number, because the mean of its divisors is an integer number (47957285376).

Almost surely, 2520401351063 is an apocalyptic number.

520401351063 is a deficient number, since it is larger than the sum of its proper divisors (246915214953).

520401351063 is a wasteful number, since it uses less digits than its factorization.

520401351063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216023894.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 520401351063 its reverse (360153104025), we get a palindrome (880554455088).

The spelling of 520401351063 in words is "five hundred twenty billion, four hundred one million, three hundred fifty-one thousand, sixty-three".

Divisors: 1 3 11 33 73 219 803 2409 216023807 648071421 2376261877 7128785631 15769737911 47309213733 173467117021 520401351063