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213233543005 = 57227127721017
BaseRepresentation
bin1100011010010110110…
…1011010011101011101
3202101101121112022201211
43012211231122131131
511443200241334010
6241542542504421
721256061132020
oct3064555323535
9671347468654
10213233543005
11824828599aa
12353ab595111
1317152bc09b2
14a46b8811b7
15583015908a
hex31a5b5a75d

213233543005 has 32 divisors (see below), whose sum is σ = 293966827776. Its totient is φ = 145452240384.

The previous prime is 213233542993. The next prime is 213233543027. The reversal of 213233543005 is 500345332312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213233543005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10135257 + ... + 10156273.

It is an arithmetic number, because the mean of its divisors is an integer number (9186463368).

Almost surely, 2213233543005 is an apocalyptic number.

It is an amenable number.

213233543005 is a deficient number, since it is larger than the sum of its proper divisors (80733284771).

213233543005 is a wasteful number, since it uses less digits than its factorization.

213233543005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22533.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 213233543005 its reverse (500345332312), we get a palindrome (713578875317).

The spelling of 213233543005 in words is "two hundred thirteen billion, two hundred thirty-three million, five hundred forty-three thousand, five".

Divisors: 1 5 7 35 227 1135 1277 1589 6385 7945 8939 21017 44695 105085 147119 289879 735595 1449395 2029153 4770859 10145765 23854295 26838709 33396013 134193545 166980065 187870963 939354815 6092386943 30461934715 42646708601 213233543005