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28241623834 = 2118111956657
BaseRepresentation
bin11010010011010101…
…001111101100011010
32200220012121010201221
4122103111033230122
5430314323430314
620550220002254
72016565561504
oct322325175432
980805533657
1028241623834
1110a82729a96
12558209038a
132880cb9a28
14151cac8d74
15b04593824
hex69354fb1a

28241623834 has 8 divisors (see below), whose sum is σ = 42398309268. Its totient is φ = 14108854080.

The previous prime is 28241623793. The next prime is 28241623849. The reversal of 28241623834 is 43832614282.

It can be written as a sum of positive squares in 2 ways, for example, as 28174629609 + 66994225 = 167853^2 + 8185^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5975967 + ... + 5980690.

Almost surely, 228241623834 is an apocalyptic number.

28241623834 is a deficient number, since it is larger than the sum of its proper divisors (14156685434).

28241623834 is a wasteful number, since it uses less digits than its factorization.

28241623834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11957840.

The product of its digits is 442368, while the sum is 43.

The spelling of 28241623834 in words is "twenty-eight billion, two hundred forty-one million, six hundred twenty-three thousand, eight hundred thirty-four".

Divisors: 1 2 1181 2362 11956657 23913314 14120811917 28241623834