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212304202144 = 2519349184543
BaseRepresentation
bin1100010110111001010…
…0010000100110100000
3202021222211210220201221
43011232110100212200
511434244333432034
6241310423504424
721224044641316
oct3055624204640
9667884726657
10212304202144
1182046207401
12351902b8114
13170354c3368
14a3c02880b6
1557c8783bb4
hex316e5109a0

212304202144 has 24 divisors (see below), whose sum is σ = 439972525440. Its totient is φ = 100565148096.

The previous prime is 212304202129. The next prime is 212304202157. The reversal of 212304202144 is 441202403212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174591664 + ... + 174592879.

It is an arithmetic number, because the mean of its divisors is an integer number (18332188560).

Almost surely, 2212304202144 is an apocalyptic number.

It is an amenable number.

212304202144 is an abundant number, since it is smaller than the sum of its proper divisors (227668323296).

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

212304202144 is a wasteful number, since it uses less digits than its factorization.

212304202144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349184572 (or 349184564 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 212304202144 its reverse (441202403212), we get a palindrome (653506605356).

The spelling of 212304202144 in words is "two hundred twelve billion, three hundred four million, two hundred two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 349184543 698369086 1396738172 2793476344 5586952688 6634506317 11173905376 13269012634 26538025268 53076050536 106152101072 212304202144