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2130323312 = 241317976211
BaseRepresentation
bin111111011111010…
…0010011101110000
312111110120122012102
41332332202131300
513330330321222
6551220115532
7103535310065
oct17676423560
95443518172
102130323312
119a356a487
124b5535ba8
1327c477050
14162d00c6c
15c7056d92
hex7efa2770

2130323312 has 80 divisors (see below), whose sum is σ = 4755758112. Its totient is φ = 915701760.

The previous prime is 2130323311. The next prime is 2130323341. The reversal of 2130323312 is 2133230312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130323311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 339887 + ... + 346097.

Almost surely, 22130323312 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 2130323312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2377879056).

2130323312 is an abundant number, since it is smaller than the sum of its proper divisors (2625434800).

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

2130323312 is a wasteful number, since it uses less digits than its factorization.

2130323312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6346 (or 6340 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2130323312 is about 46155.4255965645. The cubic root of 2130323312 is about 1286.7134479070.

Adding to 2130323312 its reverse (2133230312), we get a palindrome (4263553624).

The spelling of 2130323312 in words is "two billion, one hundred thirty million, three hundred twenty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 13 16 17 26 34 52 68 97 104 136 194 208 221 272 388 442 776 884 1261 1552 1649 1768 2522 3298 3536 5044 6211 6596 10088 12422 13192 20176 21437 24844 26384 42874 49688 80743 85748 99376 105587 161486 171496 211174 322972 342992 422348 602467 645944 844696 1204934 1291888 1372631 1689392 2409868 2745262 4819736 5490524 7832071 9639472 10241939 10981048 15664142 20483878 21962096 31328284 40967756 62656568 81935512 125313136 133145207 163871024 266290414 532580828 1065161656 2130323312