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212302422320 = 24517211541999
BaseRepresentation
bin1100010110111000110…
…1011110000100110000
3202021222201110111021112
43011232031132010300
511434243410003240
6241310321412452
721224023546322
oct3055615360460
9667881414245
10212302422320
118204520117a
123518b79a128
131703501c201
14a3bdd43612
1557c8531665
hex316e35e130

212302422320 has 40 divisors (see below), whose sum is σ = 493890264000. Its totient is φ = 84871569920.

The previous prime is 212302422317. The next prime is 212302422329. The reversal of 212302422320 is 23224203212.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (212302422329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633320 + ... + 908679.

It is an arithmetic number, because the mean of its divisors is an integer number (12347256600).

Almost surely, 2212302422320 is an apocalyptic number.

212302422320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212302422320 is an abundant number, since it is smaller than the sum of its proper divisors (281587841680).

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

212302422320 is a wasteful number, since it uses less digits than its factorization.

212302422320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543733 (or 1543727 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 212302422320 its reverse (23224203212), we get a palindrome (235526625532).

The spelling of 212302422320 in words is "two hundred twelve billion, three hundred two million, four hundred twenty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1721 3442 6884 8605 13768 17210 27536 34420 68840 137680 1541999 3083998 6167996 7709995 12335992 15419990 24671984 30839980 61679960 123359920 2653780279 5307560558 10615121116 13268901395 21230242232 26537802790 42460484464 53075605580 106151211160 212302422320