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212313323300 = 225213163317941
BaseRepresentation
bin1100010110111011011…
…1000011011100100100
3202022000110222022121112
43011232313003130210
511434304202321200
6241311351204152
721224215320521
oct3055667033444
9668013868545
10212313323300
1182050377251
1235193376658
1317037367bb0
14a3c1580148
1557c9486535
hex316edc3724

212313323300 has 36 divisors (see below), whose sum is σ = 496159907796. Its totient is φ = 78392611200.

The previous prime is 212313323293. The next prime is 212313323347. The reversal of 212313323300 is 3323313212.

It can be written as a sum of positive squares in 6 ways, for example, as 21960868864 + 190352454436 = 148192^2 + 436294^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81657671 + ... + 81660270.

It is an arithmetic number, because the mean of its divisors is an integer number (13782219661).

Almost surely, 2212313323300 is an apocalyptic number.

212313323300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212313323300 is an abundant number, since it is smaller than the sum of its proper divisors (283846584496).

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

212313323300 is a wasteful number, since it uses less digits than its factorization.

212313323300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163317968 (or 163317961 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 212313323300 its reverse (3323313212), we get a palindrome (215636636512).

The spelling of 212313323300 in words is "two hundred twelve billion, three hundred thirteen million, three hundred twenty-three thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 163317941 326635882 653271764 816589705 1633179410 2123133233 3266358820 4082948525 4246266466 8165897050 8492532932 10615666165 16331794100 21231332330 42462664660 53078330825 106156661650 212313323300