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531243230325 = 352731133072797
BaseRepresentation
bin1111011101100001001…
…00000110010001110101
31212210020020212021000020
413232300210012101311
532200441231332300
61044014430035353
753244462644403
oct7566044062165
91783206767006
10531243230325
11195331a54905
1286b60348b59
133b132c62302
141b9d8812473
15dc439868a0
hex7bb0906475

531243230325 has 96 divisors (see below), whose sum is σ = 901481218176. Its totient is φ = 275974594560.

The previous prime is 531243230317. The next prime is 531243230339. The reversal of 531243230325 is 523032342135.

It is not a de Polignac number, because 531243230325 - 23 = 531243230317 is a prime.

It is a super-2 number, since 2×5312432303252 (a number of 24 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 (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 189931827 + ... + 189934623.

It is an arithmetic number, because the mean of its divisors is an integer number (9390429356).

Almost surely, 2531243230325 is an apocalyptic number.

It is an amenable number.

531243230325 is a deficient number, since it is larger than the sum of its proper divisors (370237987851).

531243230325 is a wasteful number, since it uses less digits than its factorization.

531243230325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303 (or 3298 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 33.

The spelling of 531243230325 in words is "five hundred thirty-one billion, two hundred forty-three million, two hundred thirty thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 73 75 113 219 307 339 365 565 921 1095 1535 1695 1825 2797 2825 4605 5475 7675 8249 8391 8475 13985 22411 23025 24747 34691 41245 41955 67233 69925 104073 112055 123735 173455 204181 206225 209775 316061 336165 520365 560275 612543 618675 858679 867275 948183 1020905 1580305 1680825 2532443 2576037 2601825 3062715 4293395 4740915 5104525 7597329 7901525 12662215 12880185 15313575 21466975 23072453 23704575 37986645 62683567 63311075 64400925 69217359 97030727 115362265 188050701 189933225 291092181 313417835 346086795 485153635 576811325 940253505 1455460905 1567089175 1730433975 2425768175 4701267525 7083243071 7277304525 21249729213 35416215355 106248646065 177081076775 531243230325