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13520065230 = 23257100921269
BaseRepresentation
bin11001001011101101…
…11101001011001110
31021220020101110211200
430211312331023032
5210142114041410
610113325530330
7656016441540
oct144566751316
937806343750
1013520065230
1158087a7131
122753a139a6
131376060ac9
14923865690
15541e303c0
hex325dbd2ce

13520065230 has 96 divisors (see below), whose sum is σ = 40215614400. Its totient is φ = 3087092736.

The previous prime is 13520065219. The next prime is 13520065243. The reversal of 13520065230 is 3256002531.

13520065230 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 0 + 0 + 652 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 13520065194 and 13520065203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 625036 + ... + 646304.

It is an arithmetic number, because the mean of its divisors is an integer number (418912650).

Almost surely, 213520065230 is an apocalyptic number.

13520065230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13520065230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20107807200).

13520065230 is an abundant number, since it is smaller than the sum of its proper divisors (26695549170).

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

13520065230 is a wasteful number, since it uses less digits than its factorization.

13520065230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22298 (or 22295 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 13520065230 its reverse (3256002531), we get a palindrome (16776067761).

The spelling of 13520065230 in words is "thirteen billion, five hundred twenty million, sixty-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 1009 2018 3027 5045 6054 7063 9081 10090 14126 15135 18162 21189 21269 30270 35315 42378 42538 45405 63567 63807 70630 90810 105945 106345 127134 127614 148883 191421 211890 212690 297766 317835 319035 382842 446649 635670 638070 744415 893298 957105 1339947 1488830 1914210 2233245 2679894 4466490 6699735 13399470 21460421 42920842 64381263 107302105 128762526 150222947 193143789 214604210 300445894 321906315 386287578 450668841 643812630 751114735 901337682 965718945 1352006523 1502229470 1931437890 2253344205 2704013046 4506688410 6760032615 13520065230