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2133230312 = 231723681979
BaseRepresentation
bin111111100100110…
…1000001011101000
312111200001022212002
41333021220023220
513332101332222
6551402310132
7103602105233
oct17711501350
95450038762
102133230312
119a5175564
124b64b8348
1327cc54275
1416345a41a
15c742d392
hex7f2682e8

2133230312 has 32 divisors (see below), whose sum is σ = 4419230400. Its totient is φ = 960225024.

The previous prime is 2133230293. The next prime is 2133230317. The reversal of 2133230312 is 2130323312.

It is not an unprimeable number, because it can be changed into a prime (2133230317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337862 + ... + 344117.

It is an arithmetic number, because the mean of its divisors is an integer number (138100950).

Almost surely, 22133230312 is an apocalyptic number.

It is an amenable number.

2133230312 is an abundant number, since it is smaller than the sum of its proper divisors (2286000088).

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

2133230312 is a wasteful number, since it uses less digits than its factorization.

2133230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682025 (or 682021 counting only the distinct ones).

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

The square root of 2133230312 is about 46186.9062830582. The cubic root of 2133230312 is about 1287.2984570565.

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

The spelling of 2133230312 in words is "two billion, one hundred thirty-three million, two hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 17 23 34 46 68 92 136 184 391 782 1564 3128 681979 1363958 2727916 5455832 11593643 15685517 23187286 31371034 46374572 62742068 92749144 125484136 266653789 533307578 1066615156 2133230312