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212544350023 = 4325031974787
BaseRepresentation
bin1100010111110010100…
…0010110011101000111
3202022121120200200200211
43011330220112131013
511440242323200043
6241350323020251
721233022111025
oct3057450263507
9668546620624
10212544350023
1182159821025
123523880a687
13170731965b5
14a40411b715
1557de8bda9d
hex317ca16747

212544350023 has 8 divisors (see below), whose sum is σ = 217574242688. Its totient is φ = 207518412024.

The previous prime is 212544349999. The next prime is 212544350087. The reversal of 212544350023 is 320053445212.

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-212544350023 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 (212544350723) 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, 879765 + ... + 1095022.

It is an arithmetic number, because the mean of its divisors is an integer number (27196780336).

Almost surely, 2212544350023 is an apocalyptic number.

212544350023 is a deficient number, since it is larger than the sum of its proper divisors (5029892665).

212544350023 is a wasteful number, since it uses less digits than its factorization.

212544350023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977333.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 212544350023 its reverse (320053445212), we get a palindrome (532597795235).

The spelling of 212544350023 in words is "two hundred twelve billion, five hundred forty-four million, three hundred fifty thousand, twenty-three".

Divisors: 1 43 2503 107629 1974787 84915841 4942891861 212544350023