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28300030275 = 35211238114407
BaseRepresentation
bin11010010110110100…
…000011000101000011
32201001021111111022110
4122112310003011003
5430424301432100
621000103510403
72021205200616
oct322664030503
981037444273
1028300030275
11110026a1680
125599758403
13289012955a
14152677017d
15b0977e250
hex696d03143

28300030275 has 48 divisors (see below), whose sum is σ = 51067945728. Its totient is φ = 13714512000.

The previous prime is 28300030259. The next prime is 28300030289. The reversal of 28300030275 is 57203000382.

It is not a de Polignac number, because 28300030275 - 24 = 28300030259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1957122 + ... + 1971528.

It is an arithmetic number, because the mean of its divisors is an integer number (1063915536).

Almost surely, 228300030275 is an apocalyptic number.

28300030275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28300030275 is a deficient number, since it is larger than the sum of its proper divisors (22767915453).

28300030275 is a wasteful number, since it uses less digits than its factorization.

28300030275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16812 (or 16807 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 28300030275 in words is "twenty-eight billion, three hundred million, thirty thousand, two hundred seventy-five".

Divisors: 1 3 5 11 15 25 33 55 75 165 275 825 2381 7143 11905 14407 26191 35715 43221 59525 72035 78573 130955 158477 178575 216105 360175 392865 475431 654775 792385 1080525 1964325 2377155 3961925 11885775 34303067 102909201 171515335 377333737 514546005 857576675 1132001211 1886668685 2572730025 5660006055 9433343425 28300030275