Search a number
-
+
28300255530 = 235943341851
BaseRepresentation
bin11010010110110100…
…111010000100101010
32201001021220221022020
4122112310322010222
5430424331134110
621000112405310
72021210126421
oct322664720452
981037827266
1028300255530
1111002835938
125599846836
1328901a7c41
1415267cc2b8
15b097c5d70
hex696d3a12a

28300255530 has 16 divisors (see below), whose sum is σ = 67920613344. Its totient is φ = 7546734800.

The previous prime is 28300255519. The next prime is 28300255537. The reversal of 28300255530 is 3555200382.

It is a junction number, because it is equal to n+sod(n) for n = 28300255491 and 28300255500.

It is not an unprimeable number, because it can be changed into a prime (28300255537) 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, 471670896 + ... + 471670955.

It is an arithmetic number, because the mean of its divisors is an integer number (4245038334).

Almost surely, 228300255530 is an apocalyptic number.

28300255530 is an abundant number, since it is smaller than the sum of its proper divisors (39620357814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28300255530 is a wasteful number, since it uses less digits than its factorization.

28300255530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943341861.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 28300255530 in words is "twenty-eight billion, three hundred million, two hundred fifty-five thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 943341851 1886683702 2830025553 4716709255 5660051106 9433418510 14150127765 28300255530