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212544430063 = 765774616617
BaseRepresentation
bin1100010111110010100…
…0101001111111101111
3202022121120211202111021
43011330220221333233
511440242333230223
6241350324435011
721233022563260
oct3057450517757
9668546752437
10212544430063
1182159876179
1235238848a67
13170731c3b64
14a40413c967
1557de8d765d
hex317ca29fef

212544430063 has 8 divisors (see below), whose sum is σ = 242944905632. Its totient is φ = 182153200896.

The previous prime is 212544430013. The next prime is 212544430067. The reversal of 212544430063 is 360034445212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212544430063 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 (212544430067) 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, 2262270 + ... + 2354347.

It is an arithmetic number, because the mean of its divisors is an integer number (30368113204).

Almost surely, 2212544430063 is an apocalyptic number.

212544430063 is a deficient number, since it is larger than the sum of its proper divisors (30400475569).

212544430063 is an equidigital number, since it uses as much as digits as its factorization.

212544430063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623201.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 212544430063 its reverse (360034445212), we get a palindrome (572578875275).

The spelling of 212544430063 in words is "two hundred twelve billion, five hundred forty-four million, four hundred thirty thousand, sixty-three".

Divisors: 1 7 6577 46039 4616617 32316319 30363490009 212544430063