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28483927560 = 233351123743137
BaseRepresentation
bin11010100001110001…
…100011111000001000
32201112002112102222000
4122201301203320020
5431313341140220
621030233231000
72025600250404
oct324161437010
981462472860
1028483927560
1111097486400
12562b262460
1328bc26630a
141542d60104
15b1a9a7390
hex6a1c63e08

28483927560 has 768 divisors, whose sum is σ = 110476396800. Its totient is φ = 6514421760.

The previous prime is 28483927553. The next prime is 28483927579. The reversal of 28483927560 is 6572938482.

28483927560 is a `hidden beast` number, since 2 + 8 + 48 + 39 + 2 + 7 + 560 = 666.

It is a super-2 number, since 2×284839275602 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 28483927497 and 28483927506.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 207911812 + ... + 207911948.

It is an arithmetic number, because the mean of its divisors is an integer number (143849475).

Almost surely, 228483927560 is an apocalyptic number.

28483927560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28483927560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55238198400).

28483927560 is an abundant number, since it is smaller than the sum of its proper divisors (81992469240).

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

28483927560 is a wasteful number, since it uses less digits than its factorization.

28483927560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 28483927560 in words is "twenty-eight billion, four hundred eighty-three million, nine hundred twenty-seven thousand, five hundred sixty".