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80252238246217 = 174914945880733
BaseRepresentation
bin10010001111110100101110…
…001001110011000101001001
3101112011001001110121120100021
4102033310232021303011021
541004323040442334332
6442403211433340441
722622014163621302
oct2217645611630511
9345131043546307
1080252238246217
1123630868355954
129001508267721
1335a19a4853c4b
1415b632c75b7a9
15942828ec6c97
hex48fd2e273149

80252238246217 has 4 divisors (see below), whose sum is σ = 80252285876100. Its totient is φ = 80252190616336.

The previous prime is 80252238246209. The next prime is 80252238246269. The reversal of 80252238246217 is 71264283225208.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21490446936841 + 58761791309376 = 4635779^2 + 7665624^2 .

It is a cyclic number.

It is not a de Polignac number, because 80252238246217 - 23 = 80252238246209 is a prime.

It is a super-2 number, since 2×802522382462172 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80252238246617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21191218 + ... + 24689515.

It is an arithmetic number, because the mean of its divisors is an integer number (20063071469025).

Almost surely, 280252238246217 is an apocalyptic number.

It is an amenable number.

80252238246217 is a deficient number, since it is larger than the sum of its proper divisors (47629883).

80252238246217 is a wasteful number, since it uses less digits than its factorization.

80252238246217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47629882.

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 80252238246217 in words is "eighty trillion, two hundred fifty-two billion, two hundred thirty-eight million, two hundred forty-six thousand, two hundred seventeen".

Divisors: 1 1749149 45880733 80252238246217