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212543464345212 = 2237112133743474843
BaseRepresentation
bin110000010100111010100001…
…101100010000111001111100
31000212112221211110202101022210
4300110322201230100321330
5210324303003333021322
62032013041454340420
762524521120130260
oct6024724154207174
91025487743671283
10212543464345212
11617a51a4698500
121ba084201ba710
1391799bb8135a0
143a6b2311500a0
151988b237e270c
hexc14ea1b10e7c

212543464345212 has 288 divisors, whose sum is σ = 689047757902336. Its totient is φ = 49582187804160.

The previous prime is 212543464345207. The next prime is 212543464345241.

212543464345212 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16848538 + ... + 26626305.

Almost surely, 2212543464345212 is an apocalyptic number.

212543464345212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212543464345212 is an abundant number, since it is smaller than the sum of its proper divisors (476504293557124).

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

212543464345212 is a wasteful number, since it uses less digits than its factorization.

212543464345212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43474929 (or 43474916 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 48.

The spelling of 212543464345212 in words is "two hundred twelve trillion, five hundred forty-three billion, four hundred sixty-four million, three hundred forty-five thousand, two hundred twelve".