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312102320200 = 235211141864691
BaseRepresentation
bin1001000101010101011…
…11110111100001001000
31002211120221120121000121
410202222233313201020
520103141143221300
6355213335513024
731356120643606
oct4425257674110
91084527517017
10312102320200
111103a8694620
12505a2528774
132357b23a018
141116a596876
1581b9de181a
hex48aabf7848

312102320200 has 48 divisors (see below), whose sum is σ = 791604981360. Its totient is φ = 113491752000.

The previous prime is 312102320183. The next prime is 312102320207. The reversal of 312102320200 is 2023201213.

It is not an unprimeable number, because it can be changed into a prime (312102320207) 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 11 ways as a sum of consecutive naturals, for example, 70930146 + ... + 70934545.

It is an arithmetic number, because the mean of its divisors is an integer number (16491770445).

Almost surely, 2312102320200 is an apocalyptic number.

It is an amenable number.

312102320200 is an abundant number, since it is smaller than the sum of its proper divisors (479502661160).

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

312102320200 is a wasteful number, since it uses less digits than its factorization.

312102320200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141864718 (or 141864709 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 312102320200 its reverse (2023201213), we get a palindrome (314125521413).

The spelling of 312102320200 in words is "three hundred twelve billion, one hundred two million, three hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 200 220 275 440 550 1100 2200 141864691 283729382 567458764 709323455 1134917528 1418646910 1560511601 2837293820 3121023202 3546617275 5674587640 6242046404 7093234550 7802558005 12484092808 14186469100 15605116010 28372938200 31210232020 39012790025 62420464040 78025580050 156051160100 312102320200