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212223301044 = 22317685275087
BaseRepresentation
bin1100010110100101111…
…1101001010110110100
3202021210012120201021220
43011221133221112310
511434113131113134
6241254413510340
721222043203126
oct3055137512664
9667705521256
10212223301044
1182004580197
12351691a23b0
1317021808aa1
14a3b3629216
1557c1603149
hex31697e95b4

212223301044 has 12 divisors (see below), whose sum is σ = 495187702464. Its totient is φ = 70741100344.

The previous prime is 212223301039. The next prime is 212223301057. The reversal of 212223301044 is 440103322212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 8842637532 + ... + 8842637555.

It is an arithmetic number, because the mean of its divisors is an integer number (41265641872).

Almost surely, 2212223301044 is an apocalyptic number.

It is an amenable number.

212223301044 is an abundant number, since it is smaller than the sum of its proper divisors (282964401420).

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

212223301044 is a wasteful number, since it uses less digits than its factorization.

212223301044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17685275094 (or 17685275092 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 212223301044 its reverse (440103322212), we get a palindrome (652326623256).

The spelling of 212223301044 in words is "two hundred twelve billion, two hundred twenty-three million, three hundred one thousand, forty-four".

Divisors: 1 2 3 4 6 12 17685275087 35370550174 53055825261 70741100348 106111650522 212223301044