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212131212313000 = 2353212131212313
BaseRepresentation
bin110000001110111010100101…
…100011100100000110101000
31000211002112201220211021210011
4300032322211203210012220
5210301024210323004000
62031055422242501304
762452655123514601
oct6016724543440650
91024075656737704
10212131212313000
1161656384112a52
121b960549964834
139149b6ca69056
143a552c3ac4da8
15197d0464922ba
hexc0eea58e41a8

212131212313000 has 32 divisors (see below), whose sum is σ = 496387036814760. Its totient is φ = 84852484924800.

The previous prime is 212131212312991. The next prime is 212131212313039. The reversal of 212131212313000 is 313212131212.

It can be written as a sum of positive squares in 4 ways, for example, as 55104699948516 + 157026512364484 = 7423254^2 + 12531022^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106065605157 + ... + 106065607156.

Almost surely, 2212131212313000 is an apocalyptic number.

212131212313000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212131212313000 is an abundant number, since it is smaller than the sum of its proper divisors (284255824501760).

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

212131212313000 is a wasteful number, since it uses less digits than its factorization.

212131212313000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212131212334 (or 212131212320 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 212131212313000 its reverse (313212131212), we get a palindrome (212444424444212).

It can be divided in two parts, 212131212 and 313000, that added together give a palindrome (212444212).

The spelling of 212131212313000 in words is "two hundred twelve trillion, one hundred thirty-one billion, two hundred twelve million, three hundred thirteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 212131212313 424262424626 848524849252 1060656061565 1697049698504 2121312123130 4242624246260 5303280307825 8485248492520 10606560615650 21213121231300 26516401539125 42426242462600 53032803078250 106065606156500 212131212313000