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1312130233200 = 243521093441861
BaseRepresentation
bin10011000110000001000…
…011100111001101110000
311122102211121112010221110
4103012001003213031300
5132444220314430300
62442441224353320
7163540544646633
oct23060103471560
94572747463843
101312130233200
11466520344a06
12192371915840
139696c229917
14477165c7c1a
15241e8d1d550
hex131810e7370

1312130233200 has 60 divisors (see below), whose sum is σ = 4203190517528. Its totient is φ = 349901395200.

The previous prime is 1312130233199. The next prime is 1312130233223. The reversal of 1312130233200 is 23320312131.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546719731 + ... + 546722130.

Almost surely, 21312130233200 is an apocalyptic number.

1312130233200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312130233200 is an abundant number, since it is smaller than the sum of its proper divisors (2891060284328).

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

1312130233200 is a wasteful number, since it uses less digits than its factorization.

1312130233200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093441882 (or 1093441871 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1312130233200 its reverse (23320312131), we get a palindrome (1335450545331).

The spelling of 1312130233200 in words is "one trillion, three hundred twelve billion, one hundred thirty million, two hundred thirty-three thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 1093441861 2186883722 3280325583 4373767444 5467209305 6560651166 8747534888 10934418610 13121302332 16401627915 17495069776 21868837220 26242604664 27336046525 32803255830 43737674440 52485209328 54672093050 65606511660 82008139575 87475348880 109344186100 131213023320 164016279150 218688372200 262426046640 328032558300 437376744400 656065116600 1312130233200