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212133004111 = 7432932405327
BaseRepresentation
bin1100010110010000011…
…1001100001101001111
3202021112220200011012001
43011210013030031033
511433422022112421
6241241430253131
721216565532560
oct3054407141517
9667486604161
10212133004111
1181a68606826
1235142ab71a7
1317008bb1952
14a3a5642167
1557b8718691
hex31641cc34f

212133004111 has 16 divisors (see below), whose sum is σ = 248922584064. Its totient is φ = 176993508384.

The previous prime is 212133004103. The next prime is 212133004117. The reversal of 212133004111 is 111400331212.

It is not a de Polignac number, because 212133004111 - 23 = 212133004103 is a prime.

It is a super-2 number, since 2×2121330041112 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212133004117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114471 + ... + 1290856.

It is an arithmetic number, because the mean of its divisors is an integer number (15557661504).

Almost surely, 2212133004111 is an apocalyptic number.

212133004111 is a deficient number, since it is larger than the sum of its proper divisors (36789579953).

212133004111 is a wasteful number, since it uses less digits than its factorization.

212133004111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405670.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212133004111 its reverse (111400331212), we get a palindrome (323533335323).

The spelling of 212133004111 in words is "two hundred twelve billion, one hundred thirty-three million, four thousand, one hundred eleven".

Divisors: 1 7 43 293 301 2051 12599 88193 2405327 16837289 103429061 704760811 724003427 4933325677 30304714873 212133004111