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28228306910 = 2518749150559
BaseRepresentation
bin11010010010100010…
…011100011111011110
32200212021112120100112
4122102202130133132
5430302421310120
620545022330022
72016344435606
oct322242343736
980767476315
1028228306910
1110a76163871
125579729912
13287b3064ab
14151b01dc06
15b03312bc5
hex69289c7de

28228306910 has 16 divisors (see below), whose sum is σ = 50814000000. Its totient is φ = 11290645536.

The previous prime is 28228306907. The next prime is 28228306913. The reversal of 28228306910 is 1960382282.

It is an interprime number because it is at equal distance from previous prime (28228306907) and next prime (28228306913).

It is a super-2 number, since 2×282283069102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28228306913) 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, 112211 + ... + 262769.

It is an arithmetic number, because the mean of its divisors is an integer number (3175875000).

Almost surely, 228228306910 is an apocalyptic number.

28228306910 is a deficient number, since it is larger than the sum of its proper divisors (22585693090).

28228306910 is a wasteful number, since it uses less digits than its factorization.

28228306910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169315.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 28228306910 in words is "twenty-eight billion, two hundred twenty-eight million, three hundred six thousand, nine hundred ten".

Divisors: 1 2 5 10 18749 37498 93745 150559 187490 301118 752795 1505590 2822830691 5645661382 14114153455 28228306910