Search a number
-
+
512605123351312 = 242334727311469887
BaseRepresentation
bin111010010001101100010111…
…0010010011001001100010000
32111012222120102102000000110111
41310203120232102121030100
51014142010243034220222
65014115313121211104
7212654332550542465
oct16443305622311420
92435876372000414
10512605123351312
111393716805a8902
12495aa382790a94
13190045c029aaa4
1490823128cd66c
153e3e08035b777
hex1d2362e499310

512605123351312 has 80 divisors (see below), whose sum is σ = 1039721725550592. Its totient is φ = 244362785546880.

The previous prime is 512605123351301. The next prime is 512605123351357. The reversal of 512605123351312 is 213153321506215.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348002833 + ... + 349472719.

Almost surely, 2512605123351312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512605123351312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519860862775296).

512605123351312 is an abundant number, since it is smaller than the sum of its proper divisors (527116602199280).

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

512605123351312 is a wasteful number, since it uses less digits than its factorization.

512605123351312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472996 (or 1472990 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

Adding to 512605123351312 its reverse (213153321506215), we get a palindrome (725758444857527).

The spelling of 512605123351312 in words is "five hundred twelve trillion, six hundred five billion, one hundred twenty-three million, three hundred fifty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 23 46 92 184 347 368 694 1388 2731 2776 5462 5552 7981 10924 15962 21848 31924 43696 62813 63848 125626 127696 251252 502504 947657 1005008 1469887 1895314 2939774 3790628 5879548 7581256 11759096 15162512 21796111 23518192 33807401 43592222 67614802 87184444 135229604 174368888 270459208 348737776 510050789 540918416 1020101578 2040203156 4014261397 4080406312 8028522794 8160812624 11731168147 16057045588 23462336294 32114091176 46924672588 64228182352 92328012131 93849345176 184656024262 187698690352 369312048524 738624097048 1392948704759 1477248194096 2785897409518 5571794819036 11143589638072 22287179276144 32037820209457 64075640418914 128151280837828 256302561675656 512605123351312