Search a number
-
+
30055232312 = 237337389761
BaseRepresentation
bin11011111111011011…
…100111001100111000
32212120121012222212022
4123333123213030320
5443023114413222
621450203534012
72112540155000
oct337733471470
985517188768
1030055232312
1111823438976
1259a952a308
132aac962c41
141651905000
15bad8d9042
hex6ff6e7338

30055232312 has 128 divisors (see below), whose sum is σ = 67757040000. Its totient is φ = 12484039680.

The previous prime is 30055232299. The next prime is 30055232323. The reversal of 30055232312 is 21323255003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39494012 + ... + 39494772.

It is an arithmetic number, because the mean of its divisors is an integer number (529351875).

Almost surely, 230055232312 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 30055232312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33878520000).

30055232312 is an abundant number, since it is smaller than the sum of its proper divisors (37701807688).

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

30055232312 is a wasteful number, since it uses less digits than its factorization.

30055232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 30055232312 its reverse (21323255003), we get a palindrome (51378487315).

The spelling of 30055232312 in words is "thirty billion, fifty-five million, two hundred thirty-two thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 37 49 56 74 98 148 196 259 296 343 389 392 518 686 761 778 1036 1372 1522 1556 1813 2072 2723 2744 3044 3112 3626 5327 5446 6088 7252 10654 10892 12691 14393 14504 19061 21308 21784 25382 28157 28786 37289 38122 42616 50764 56314 57572 74578 76244 100751 101528 112628 115144 133427 149156 152488 197099 201502 225256 261023 266854 296029 298312 394198 403004 522046 533708 592058 705257 788396 806008 1044092 1067416 1184116 1379693 1410514 1576792 2072203 2088184 2368232 2759386 2821028 4144406 4936799 5518772 5642056 8288812 9657851 9873598 10953073 11037544 14505421 16577624 19315702 19747196 21906146 29010842 38631404 39494392 43812292 58021684 76671511 77262808 87624584 101537947 116043368 153343022 203075894 306686044 406151788 536700577 613372088 812303576 1073401154 2146802308 3756904039 4293604616 7513808078 15027616156 30055232312