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212230304413 = 912723253019
BaseRepresentation
bin1100010110100111101…
…0010111001010011101
3202021210200202112002221
43011221322113022131
511434121424220123
6241255223545341
721222156552121
oct3055172271235
9667720675087
10212230304413
11820085239a6
123516b5bb251
13170230bb6aa
14a3b452d581
1557c203825d
hex3169e9729d

212230304413 has 4 divisors (see below), whose sum is σ = 212253566560. Its totient is φ = 212207042268.

The previous prime is 212230304383. The next prime is 212230304441. The reversal of 212230304413 is 314403032212.

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 a de Polignac number, because none of the positive numbers 2k-212230304413 is a prime.

It is a super-2 number, since 2×2122303044132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212230304453) 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, 11617383 + ... + 11635636.

It is an arithmetic number, because the mean of its divisors is an integer number (53063391640).

Almost surely, 2212230304413 is an apocalyptic number.

It is an amenable number.

212230304413 is a deficient number, since it is larger than the sum of its proper divisors (23262147).

212230304413 is an equidigital number, since it uses as much as digits as its factorization.

212230304413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23262146.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 212230304413 its reverse (314403032212), we get a palindrome (526633336625).

The spelling of 212230304413 in words is "two hundred twelve billion, two hundred thirty million, three hundred four thousand, four hundred thirteen".

Divisors: 1 9127 23253019 212230304413