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28835519250 = 2353291325771
BaseRepresentation
bin11010110110101110…
…110001101100010010
32202102121010011002110
4122312232301230102
5433023343104000
621125153130150
72040366604146
oct326656615422
982377104073
1028835519250
111125799844a
125708b59956
132947058b35
141577923226
15b3b7a7850
hex6b6bb1b12

28835519250 has 64 divisors (see below), whose sum is σ = 74455355520. Its totient is φ = 7424312000.

The previous prime is 28835519231. The next prime is 28835519257. The reversal of 28835519250 is 5291553882.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28835519250.

It is not an unprimeable number, because it can be changed into a prime (28835519257) 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 31 ways as a sum of consecutive naturals, for example, 641136 + ... + 684635.

It is an arithmetic number, because the mean of its divisors is an integer number (1163364930).

Almost surely, 228835519250 is an apocalyptic number.

28835519250 is an abundant number, since it is smaller than the sum of its proper divisors (45619836270).

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

28835519250 is a wasteful number, since it uses less digits than its factorization.

28835519250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325820 (or 1325810 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 48.

The spelling of 28835519250 in words is "twenty-eight billion, eight hundred thirty-five million, five hundred nineteen thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 29 30 50 58 75 87 125 145 150 174 250 290 375 435 725 750 870 1450 2175 3625 4350 7250 10875 21750 1325771 2651542 3977313 6628855 7954626 13257710 19886565 33144275 38447359 39773130 66288550 76894718 99432825 115342077 165721375 192236795 198865650 230684154 331442750 384473590 497164125 576710385 961183975 994328250 1153420770 1922367950 2883551925 4805919875 5767103850 9611839750 14417759625 28835519250