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212111132033 = 1853911441347
BaseRepresentation
bin1100010110001011001…
…1110000010110000001
3202021111101111221100002
43011202303300112001
511433400422211113
6241235325405345
721216211605563
oct3054263602601
9667441457302
10212111132033
1181a57227a29
1235137709855
13170044c43a8
14a3a278b333
1557b6847c58
hex3162cf0581

212111132033 has 4 divisors (see below), whose sum is σ = 212122591920. Its totient is φ = 212099672148.

The previous prime is 212111131979. The next prime is 212111132039. The reversal of 212111132033 is 330231111212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212111132033 - 28 = 212111131777 is a prime.

It is a super-2 number, since 2×2121111320332 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212111131996 and 212111132014.

It is not an unprimeable number, because it can be changed into a prime (212111132039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5702135 + ... + 5739212.

It is an arithmetic number, because the mean of its divisors is an integer number (53030647980).

Almost surely, 2212111132033 is an apocalyptic number.

It is an amenable number.

212111132033 is a deficient number, since it is larger than the sum of its proper divisors (11459887).

212111132033 is a wasteful number, since it uses less digits than its factorization.

212111132033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459886.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 212111132033 its reverse (330231111212), we get a palindrome (542342243245).

The spelling of 212111132033 in words is "two hundred twelve billion, one hundred eleven million, one hundred thirty-two thousand, thirty-three".

Divisors: 1 18539 11441347 212111132033