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28804526093 = 74801857099
BaseRepresentation
bin11010110100111000…
…100011000000001101
32202100102210112110202
4122310320203000031
5432442424313333
621122124543245
72036542301120
oct326470430015
982312715422
1028804526093
1111241449872
1256ba6b1b25
1329407c6aa5
1415737763b7
15b38bd45e8
hex6b4e2300d

28804526093 has 8 divisors (see below), whose sum is σ = 32926353600. Its totient is φ = 24684422400.

The previous prime is 28804526087. The next prime is 28804526111. The reversal of 28804526093 is 39062540882.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28804526093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28804556093) 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, 394943 + ... + 462156.

It is an arithmetic number, because the mean of its divisors is an integer number (4115794200).

Almost surely, 228804526093 is an apocalyptic number.

It is an amenable number.

28804526093 is a deficient number, since it is larger than the sum of its proper divisors (4121827507).

28804526093 is an equidigital number, since it uses as much as digits as its factorization.

28804526093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861907.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 28804526093 in words is "twenty-eight billion, eight hundred four million, five hundred twenty-six thousand, ninety-three".

Divisors: 1 7 4801 33607 857099 5999693 4114932299 28804526093