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28441419450 = 2352864121943
BaseRepresentation
bin11010011111001111…
…011001111010111010
32201102010112210210120
4122133033121322322
5431222000410300
621022114154110
72024543035143
oct323717317272
981363483716
1028441419450
1111075492434
125618b82936
1328b3501ca2
14153b456aca
15b16dac3a0
hex69f3d9eba

28441419450 has 48 divisors (see below), whose sum is σ = 70546097856. Its totient is φ = 7583155200.

The previous prime is 28441419449. The next prime is 28441419451. The reversal of 28441419450 is 5491414482.

It is an interprime number because it is at equal distance from previous prime (28441419449) and next prime (28441419451).

It is not an unprimeable number, because it can be changed into a prime (28441419451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1285179 + ... + 1307121.

It is an arithmetic number, because the mean of its divisors is an integer number (1469710372).

Almost surely, 228441419450 is an apocalyptic number.

28441419450 is an abundant number, since it is smaller than the sum of its proper divisors (42104678406).

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

28441419450 is a wasteful number, since it uses less digits than its factorization.

28441419450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30599 (or 30594 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 28441419450 in words is "twenty-eight billion, four hundred forty-one million, four hundred nineteen thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 8641 17282 21943 25923 43205 43886 51846 65829 86410 109715 129615 131658 216025 219430 259230 329145 432050 548575 648075 658290 1097150 1296150 1645725 3291450 189609463 379218926 568828389 948047315 1137656778 1896094630 2844141945 4740236575 5688283890 9480473150 14220709725 28441419450