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212443430344302 = 231283120732285863
BaseRepresentation
bin110000010011011101010111…
…001100110101011001101110
31000212012101121221010121121010
4300103131113030311121232
5210321133121132004202
62031455055314450050
762514350151140613
oct6023352714653156
91025171557117533
10212443430344302
1161766831049a83
121b9b0b62b93926
139170438c5aa81
143a6646179c50a
15198621b5dd76c
hexc1375733566e

212443430344302 has 32 divisors (see below), whose sum is σ = 425253433989888. Its totient is φ = 70753390428096.

The previous prime is 212443430344279. The next prime is 212443430344391. The reversal of 212443430344302 is 203443034344212.

It is a happy number.

It is a super-2 number, since 2×2124434303443022 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91795023 + ... + 94080885.

It is an arithmetic number, because the mean of its divisors is an integer number (13289169812184).

Almost surely, 2212443430344302 is an apocalyptic number.

212443430344302 is an abundant number, since it is smaller than the sum of its proper divisors (212810003645586).

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

212443430344302 is a wasteful number, since it uses less digits than its factorization.

212443430344302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299224.

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 212443430344302 its reverse (203443034344212), we get a palindrome (415886464688514).

The spelling of 212443430344302 in words is "two hundred twelve trillion, four hundred forty-three billion, four hundred thirty million, three hundred forty-four thousand, three hundred two".

Divisors: 1 2 3 6 1283 2566 3849 7698 12073 24146 36219 72438 2285863 4571726 6857589 13715178 15489659 30979318 46468977 92937954 2932762229 5865524458 8798286687 17596573374 27597223999 55194447998 82791671997 165583343994 35407238390717 70814476781434 106221715172151 212443430344302