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210212222213 = 730030317459
BaseRepresentation
bin1100001111000110011…
…1111111010100000101
3202002121001101022202202
43003301213333110011
511421003312102323
6240323053244245
721121153256420
oct3036147772405
9662531338682
10210212222213
1181172356974
12348a7793685
1316a90c82b06
14a2624c89b7
155704ca2d28
hex30f19ff505

210212222213 has 4 divisors (see below), whose sum is σ = 240242539680. Its totient is φ = 180181904748.

The previous prime is 210212222203. The next prime is 210212222221. The reversal of 210212222213 is 312222212012.

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 210212222213 - 24 = 210212222197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210212222203) 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, 15015158723 + ... + 15015158736.

It is an arithmetic number, because the mean of its divisors is an integer number (60060634920).

Almost surely, 2210212222213 is an apocalyptic number.

It is an amenable number.

210212222213 is a deficient number, since it is larger than the sum of its proper divisors (30030317467).

210212222213 is an equidigital number, since it uses as much as digits as its factorization.

210212222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30030317466.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 210212222213 its reverse (312222212012), we get a palindrome (522434434225).

The spelling of 210212222213 in words is "two hundred ten billion, two hundred twelve million, two hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 7 30030317459 210212222213