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212003211230213 = 1317959290548553
BaseRepresentation
bin110000001101000011011000…
…000110001011110000000101
31000210122022100022012120002012
4300031003120012023300011
5210241430034033331323
62030520533011224005
762440504131332324
oct6015033006136005
91023568308176065
10212003211230213
1161607069910a17
121b93b7865a8005
13913aa8104ca90
143a4d01dcb20bb
151979a53d7a678
hexc0d0d818bc05

212003211230213 has 8 divisors (see below), whose sum is σ = 241741218235608. Its totient is φ = 184183785321984.

The previous prime is 212003211230201. The next prime is 212003211230243. The reversal of 212003211230213 is 312032112300212.

It can be written as a sum of positive squares in 4 ways, for example, as 24455171177089 + 187548040053124 = 4945217^2 + 13694818^2 .

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 212003211230213 - 218 = 212003210968069 is a prime.

It is a super-2 number, since 2×2120032112302132 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212003211230243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479645274056 + ... + 479645274497.

It is an arithmetic number, because the mean of its divisors is an integer number (30217652279451).

Almost surely, 2212003211230213 is an apocalyptic number.

It is an amenable number.

212003211230213 is a deficient number, since it is larger than the sum of its proper divisors (29738007005395).

212003211230213 is a wasteful number, since it uses less digits than its factorization.

212003211230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959290548583.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 212003211230213 its reverse (312032112300212), we get a palindrome (524035323530425).

The spelling of 212003211230213 in words is "two hundred twelve trillion, three billion, two hundred eleven million, two hundred thirty thousand, two hundred thirteen".

Divisors: 1 13 17 221 959290548553 12470777131189 16307939325401 212003211230213