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512020205641302 = 23193109114142807
BaseRepresentation
bin111010001101011011111111…
…0011110011001111001010110
32111010220122122111010200022020
41310122313332132121321112
51014102414340121010202
65012550500224514010
7212564145004205421
oct16432677636317126
92433818574120266
10512020205641302
11139166605821a86
1249514b42a7b906
1318c913b523c137
149061ca57709b8
153e2dc4965a5bc
hex1d1adfe799e56

512020205641302 has 64 divisors (see below), whose sum is σ = 1090839987494400. Its totient is φ = 160207189931808.

The previous prime is 512020205641291. The next prime is 512020205641393. The reversal of 512020205641302 is 203146502020215.

It is a happy number.

It is a super-2 number, since 2×5120202056413022 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52585618 + ... + 61557189.

It is an arithmetic number, because the mean of its divisors is an integer number (17044374804600).

Almost surely, 2512020205641302 is an apocalyptic number.

512020205641302 is an abundant number, since it is smaller than the sum of its proper divisors (578819781853098).

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

512020205641302 is a wasteful number, since it uses less digits than its factorization.

512020205641302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114142978 (or 114142940 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 512020205641302 its reverse (203146502020215), we get a palindrome (715166707661517).

The spelling of 512020205641302 in words is "five hundred twelve trillion, twenty billion, two hundred five million, six hundred forty-one thousand, three hundred two".

Divisors: 1 2 3 6 19 38 57 109 114 218 327 361 654 722 1083 2071 2166 4142 6213 6859 12426 13718 20577 39349 41154 78698 118047 236094 747631 1495262 2242893 4485786 114142807 228285614 342428421 684856842 2168713333 4337426666 6506139999 12441565963 13012279998 24883131926 37324697889 41205553327 74649395778 82411106654 123616659981 236389753297 247233319962 472779506594 709169259891 782905513213 1418338519782 1565811026426 2348716539639 4491405312643 4697433079278 8982810625286 13474215937929 26948431875858 85336700940217 170673401880434 256010102820651 512020205641302