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350251530124420 = 225192433112035317
BaseRepresentation
bin100111110100011010100101…
…0000010001111110010000100
31200221010201102100102002020001
41033220311022002033302010
5331402010113202440140
63240531155345051044
7133526560300043131
oct11750651202176204
91627121370362201
10350251530124420
11a16679267979a1
1233349114926a84
1312058767bc5732
14626c39bb57588
152a75ca57d2e9a
hex13e8d4a08fc84

350251530124420 has 72 divisors (see below), whose sum is σ = 778070494848024. Its totient is φ = 132420365816832.

The previous prime is 350251530124367. The next prime is 350251530124427. The reversal of 350251530124420 is 24421035152053.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21384113495616 + 328867416628804 = 4624296^2 + 18134702^2 .

It is a super-2 number, since 2×3502515301244202 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 350251530124420.

It is not an unprimeable number, because it can be changed into a prime (350251530124427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52891399 + ... + 59143918.

It is an arithmetic number, because the mean of its divisors is an integer number (10806534650667).

Almost surely, 2350251530124420 is an apocalyptic number.

It is an amenable number.

350251530124420 is an abundant number, since it is smaller than the sum of its proper divisors (427818964723604).

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

350251530124420 is a wasteful number, since it uses less digits than its factorization.

350251530124420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112035797 (or 112035776 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 350251530124420 its reverse (24421035152053), we get a palindrome (374672565276473).

The spelling of 350251530124420 in words is "three hundred fifty trillion, two hundred fifty-one billion, five hundred thirty million, one hundred twenty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 361 380 433 722 866 1444 1732 1805 2165 3610 4330 7220 8227 8660 16454 32908 41135 82270 156313 164540 312626 625252 781565 1563130 3126260 112035317 224070634 448141268 560176585 1120353170 2128671023 2240706340 4257342046 8514684092 10643355115 21286710230 40444749437 42573420460 48511292261 80889498874 97022584522 161778997748 194045169044 202223747185 242556461305 404447494370 485112922610 808894988740 921714552959 970225845220 1843429105918 3686858211836 4608572764795 9217145529590 17512576506221 18434291059180 35025153012442 70050306024884 87562882531105 175125765062210 350251530124420