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28330007123 = 114754796919
BaseRepresentation
bin11010011000100110…
…011001101001010011
32201010100220110211002
4122120212121221103
5431004440211443
621003054212215
72022021041645
oct323046315123
981110813732
1028330007123
1111018606730
1255a77b406b
1328963c3b32
14152a734895
15b0c2012b8
hex698999a53

28330007123 has 8 divisors (see below), whose sum is σ = 31563025920. Its totient is φ = 25206582280.

The previous prime is 28330007093. The next prime is 28330007141. The reversal of 28330007123 is 32170003382.

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

It is not a de Polignac number, because 28330007123 - 26 = 28330007059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28330004123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27397943 + ... + 27398976.

It is an arithmetic number, because the mean of its divisors is an integer number (3945378240).

Almost surely, 228330007123 is an apocalyptic number.

28330007123 is a deficient number, since it is larger than the sum of its proper divisors (3233018797).

28330007123 is a wasteful number, since it uses less digits than its factorization.

28330007123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54796977.

The product of its (nonzero) digits is 6048, while the sum is 29.

The spelling of 28330007123 in words is "twenty-eight billion, three hundred thirty million, seven thousand, one hundred twenty-three".

Divisors: 1 11 47 517 54796919 602766109 2575455193 28330007123