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28325637841 = 53645182847
BaseRepresentation
bin11010011000010101…
…101110111011010001
32201010001200111021211
4122120111232323101
5431002330402331
621002420420121
72021635643344
oct323025567321
981101614254
1028325637841
11110160a1a56
1255a6247641
132895524167
141529d1845b
15b0bb3b8b1
hex69856eed1

28325637841 has 8 divisors (see below), whose sum is σ = 28864905984. Its totient is φ = 27786548400.

The previous prime is 28325637839. The next prime is 28325637853. The reversal of 28325637841 is 14873652382.

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

It is a cyclic number.

It is not a de Polignac number, because 28325637841 - 21 = 28325637839 is a prime.

It is a super-2 number, since 2×283256378412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28325637811) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 300480 + ... + 383326.

It is an arithmetic number, because the mean of its divisors is an integer number (3608113248).

Almost surely, 228325637841 is an apocalyptic number.

It is an amenable number.

28325637841 is a deficient number, since it is larger than the sum of its proper divisors (539268143).

28325637841 is an equidigital number, since it uses as much as digits as its factorization.

28325637841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89351.

The product of its digits is 1935360, while the sum is 49.

The spelling of 28325637841 in words is "twenty-eight billion, three hundred twenty-five million, six hundred thirty-seven thousand, eight hundred forty-one".

Divisors: 1 53 6451 82847 341903 4390891 534445997 28325637841