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323312132020 = 225257217928867
BaseRepresentation
bin1001011010001101110…
…01111001111110110100
31010220112011211000222011
410231012321321332310
520244120401211040
6404305541014004
732233655530663
oct4550671717664
91126464730864
10323312132020
111151302a7109
12527b06b4304
1324646775977
1411911280dda
1586240c73ea
hex4b46e79fb4

323312132020 has 48 divisors (see below), whose sum is σ = 681933752640. Its totient is φ = 128758063104.

The previous prime is 323312132009. The next prime is 323312132027. The reversal of 323312132020 is 20231213323.

It is a super-2 number, since 2×3233121320202 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323312131982 and 323312132000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323312132027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11185627 + ... + 11214493.

It is an arithmetic number, because the mean of its divisors is an integer number (14206953180).

Almost surely, 2323312132020 is an apocalyptic number.

It is an amenable number.

323312132020 is an abundant number, since it is smaller than the sum of its proper divisors (358621620620).

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

323312132020 is a wasteful number, since it uses less digits than its factorization.

323312132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31312 (or 31310 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 323312132020 its reverse (20231213323), we get a palindrome (343543345343).

The spelling of 323312132020 in words is "three hundred twenty-three billion, three hundred twelve million, one hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 257 514 1028 1285 2179 2570 4358 5140 8716 10895 21790 28867 43580 57734 115468 144335 288670 560003 577340 1120006 2240012 2800015 5600030 7418819 11200060 14837638 29675276 37094095 62901193 74188190 125802386 148376380 251604772 314505965 629011930 1258023860 16165606601 32331213202 64662426404 80828033005 161656066010 323312132020