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212643163463 = 4431477932479
BaseRepresentation
bin1100011000001010000…
…1010010110101000111
3202022212110121221020212
43012002201102311013
511440443122212323
6241404212550035
721235332031613
oct3060241226507
9668773557225
10212643163463
11821aa582025
123526592231b
131708a7b2ca3
14a4132c0343
1557e83dbb78
hex3182852d47

212643163463 has 8 divisors (see below), whose sum is σ = 213144153600. Its totient is φ = 212142268728.

The previous prime is 212643163441. The next prime is 212643163483. The reversal of 212643163463 is 364361346212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212643163463 - 220 = 212642114887 is a prime.

It is a super-2 number, since 2×2126431634632 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212643163463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212643163483) 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, 6530858 + ... + 6563336.

It is an arithmetic number, because the mean of its divisors is an integer number (26643019200).

Almost surely, 2212643163463 is an apocalyptic number.

212643163463 is a deficient number, since it is larger than the sum of its proper divisors (500990137).

212643163463 is a wasteful number, since it uses less digits than its factorization.

212643163463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47701.

The product of its digits is 373248, while the sum is 41.

The spelling of 212643163463 in words is "two hundred twelve billion, six hundred forty-three million, one hundred sixty-three thousand, four hundred sixty-three".

Divisors: 1 443 14779 32479 6547097 14388197 480007141 212643163463