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80436775222 = 240218387611
BaseRepresentation
bin100101011101001100…
…1111100100100110110
321200121202222112222001
41022322121330210312
52304213303301342
6100541355125514
75545204210516
oct1127231744466
9250552875861
1080436775222
113112750a841
121370a14389a
13777b7811ab
143c70b93846
15215b9e88b7
hex12ba67c936

80436775222 has 4 divisors (see below), whose sum is σ = 120655162836. Its totient is φ = 40218387610.

The previous prime is 80436775219. The next prime is 80436775229. The reversal of 80436775222 is 22257763408.

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

It is a super-2 number, since 2×804367752222 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80436775229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20109193804 + ... + 20109193807.

It is an arithmetic number, because the mean of its divisors is an integer number (30163790709).

Almost surely, 280436775222 is an apocalyptic number.

80436775222 is a deficient number, since it is larger than the sum of its proper divisors (40218387614).

80436775222 is a wasteful number, since it uses less digits than its factorization.

80436775222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40218387613.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 80436775222 in words is "eighty billion, four hundred thirty-six million, seven hundred seventy-five thousand, two hundred twenty-two".

Divisors: 1 2 40218387611 80436775222