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212103420233 = 1989125430763
BaseRepresentation
bin1100010110001001011…
…0010101100101001001
3202021110212000010201212
43011202112111211021
511433341433421413
6241234452222505
721216056216315
oct3054226254511
9667425003655
10212103420233
1181a5293aa41
123513500aa35
1317002a241b3
14a3a1740b45
1557b5d22ca8
hex3162595949

212103420233 has 8 divisors (see below), whose sum is σ = 225775375200. Its totient is φ = 198682327008.

The previous prime is 212103420223. The next prime is 212103420239. The reversal of 212103420233 is 332024301212.

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 212103420233 - 28 = 212103419977 is a prime.

It is a super-3 number, since 3×2121034202333 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212103420199 and 212103420208.

It is not an unprimeable number, because it can be changed into a prime (212103420239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62713691 + ... + 62717072.

It is an arithmetic number, because the mean of its divisors is an integer number (28221921900).

Almost surely, 2212103420233 is an apocalyptic number.

It is an amenable number.

212103420233 is a deficient number, since it is larger than the sum of its proper divisors (13671954967).

212103420233 is a wasteful number, since it uses less digits than its factorization.

212103420233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125430871.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212103420233 its reverse (332024301212), we get a palindrome (544127721445).

It can be divided in two parts, 21210 and 3420233, that added together give a palindrome (3441443).

The spelling of 212103420233 in words is "two hundred twelve billion, one hundred three million, four hundred twenty thousand, two hundred thirty-three".

Divisors: 1 19 89 1691 125430763 2383184497 11163337907 212103420233