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28165741436008 = 2311478966833419
BaseRepresentation
bin1100110011101110110010…
…00000110101110001101000
310200201121200221121020002001
412121313121000311301220
512142431414301423013
6135523055112220344
75634623221011631
oct631673100656150
9120647627536061
1028165741436008
118a7a029841270
1231aa86199a6b4
13129403078cb07
146d532cb54888
1533c9c7849ddd
hex199dd9035c68

28165741436008 has 32 divisors (see below), whose sum is σ = 57623774724000. Its totient is φ = 12799936215360.

The previous prime is 28165741436003. The next prime is 28165741436051. The reversal of 28165741436008 is 80063414756182.

It is a self number, because there is not a number n which added to its sum of digits gives 28165741436008.

It is not an unprimeable number, because it can be changed into a prime (28165741436003) 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, 32995278 + ... + 33838141.

It is an arithmetic number, because the mean of its divisors is an integer number (1800742960125).

Almost surely, 228165741436008 is an apocalyptic number.

It is an amenable number.

28165741436008 is an abundant number, since it is smaller than the sum of its proper divisors (29458033287992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28165741436008 is a wasteful number, since it uses less digits than its factorization.

28165741436008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66838225 (or 66838221 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 28165741436008 in words is "twenty-eight trillion, one hundred sixty-five billion, seven hundred forty-one million, four hundred thirty-six thousand, eight".

Divisors: 1 2 4 8 11 22 44 88 4789 9578 19156 38312 52679 105358 210716 421432 66833419 133666838 267333676 534667352 735167609 1470335218 2940670436 5881340872 320065243591 640130487182 1280260974364 2560521948728 3520717679501 7041435359002 14082870718004 28165741436008