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28614502448 = 247255486629
BaseRepresentation
bin11010101001100011…
…101010100000110000
32201212012020100000222
4122221203222200300
5432100303034243
621051220032212
72032044154250
oct325143524060
981765210028
1028614502448
1111154160234
125666b32668
13291032366c
14155642d960
15b2719b168
hex6a98ea830

28614502448 has 20 divisors (see below), whose sum is σ = 63360684240. Its totient is φ = 12263358144.

The previous prime is 28614502393. The next prime is 28614502451. The reversal of 28614502448 is 84420541682.

It is a junction number, because it is equal to n+sod(n) for n = 28614502399 and 28614502408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127743203 + ... + 127743426.

It is an arithmetic number, because the mean of its divisors is an integer number (3168034212).

Almost surely, 228614502448 is an apocalyptic number.

28614502448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28614502448 is an abundant number, since it is smaller than the sum of its proper divisors (34746181792).

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

28614502448 is a wasteful number, since it uses less digits than its factorization.

28614502448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255486644 (or 255486638 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 44.

The spelling of 28614502448 in words is "twenty-eight billion, six hundred fourteen million, five hundred two thousand, four hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 255486629 510973258 1021946516 1788406403 2043893032 3576812806 4087786064 7153625612 14307251224 28614502448