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28948348959 = 322721424693
BaseRepresentation
bin11010111101011101…
…001100000000011111
32202201110102111100120
4122331131030000133
5433241234131314
621144303330023
72043236622555
oct327535140037
982643374316
1028948348959
1111305652042
12573a8b0913
13296454218a
1415888d3bd5
15b466438a9
hex6bd74c01f

28948348959 has 8 divisors (see below), whose sum is σ = 38599588272. Its totient is φ = 19298004480.

The previous prime is 28948348951. The next prime is 28948348967. The reversal of 28948348959 is 95984384982.

It is an interprime number because it is at equal distance from previous prime (28948348951) and next prime (28948348967).

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

It is not a de Polignac number, because 28948348959 - 23 = 28948348951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28948348893 and 28948348902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28948348951) 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, 144184 + ... + 280509.

It is an arithmetic number, because the mean of its divisors is an integer number (4824948534).

Almost surely, 228948348959 is an apocalyptic number.

28948348959 is a deficient number, since it is larger than the sum of its proper divisors (9651239313).

28948348959 is a wasteful number, since it uses less digits than its factorization.

28948348959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447417.

The product of its digits is 179159040, while the sum is 69.

The spelling of 28948348959 in words is "twenty-eight billion, nine hundred forty-eight million, three hundred forty-eight thousand, nine hundred fifty-nine".

Divisors: 1 3 22721 68163 424693 1274079 9649449653 28948348959