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212010023233 = 280175690833
BaseRepresentation
bin1100010101110011001…
…0000011100101000001
3202021020100021002010201
43011130302003211001
511433144031220413
6241221314325201
721213543315001
oct3053462034501
9667210232121
10212010023233
1181a05149438
1235109889801
1316cb9582cb8
14a39318c001
1557aca249dd
hex315cc83941

212010023233 has 4 divisors (see below), whose sum is σ = 212085716868. Its totient is φ = 211934329600.

The previous prime is 212010023209. The next prime is 212010023287. The reversal of 212010023233 is 332320010212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110292402609 + 101717620624 = 332103^2 + 318932^2 .

It is a cyclic number.

It is not a de Polignac number, because 212010023233 - 237 = 74571069761 is a prime.

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 212010023233.

It is not an unprimeable number, because it can be changed into a prime (212010023933) 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, 37842616 + ... + 37848217.

It is an arithmetic number, because the mean of its divisors is an integer number (53021429217).

Almost surely, 2212010023233 is an apocalyptic number.

It is an amenable number.

212010023233 is a deficient number, since it is larger than the sum of its proper divisors (75693635).

212010023233 is an equidigital number, since it uses as much as digits as its factorization.

212010023233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75693634.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212010023233 its reverse (332320010212), we get a palindrome (544330033445).

The spelling of 212010023233 in words is "two hundred twelve billion, ten million, twenty-three thousand, two hundred thirty-three".

Divisors: 1 2801 75690833 212010023233