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211300111213 = 223947534131
BaseRepresentation
bin1100010011001001110…
…1111101001101101101
3202012101212102210220221
43010302131331031231
511430220312024323
6241023034411341
721160133211442
oct3046235751555
9665355383827
10211300111213
1181680449a94
1234b4bb90b51
1316c05483109
14a326b939c9
15576a54555d
hex313277d36d

211300111213 has 4 divisors (see below), whose sum is σ = 212247645568. Its totient is φ = 210352576860.

The previous prime is 211300111193. The next prime is 211300111247. The reversal of 211300111213 is 312111003112.

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 211300111213 - 217 = 211299980141 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 (211300111013) 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, 473766843 + ... + 473767288.

It is an arithmetic number, because the mean of its divisors is an integer number (53061911392).

Almost surely, 2211300111213 is an apocalyptic number.

It is an amenable number.

211300111213 is a deficient number, since it is larger than the sum of its proper divisors (947534355).

211300111213 is an equidigital number, since it uses as much as digits as its factorization.

211300111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947534354.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 211300111213 its reverse (312111003112), we get a palindrome (523411114325).

The spelling of 211300111213 in words is "two hundred eleven billion, three hundred million, one hundred eleven thousand, two hundred thirteen".

Divisors: 1 223 947534131 211300111213