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28433482560 = 2632573314261
BaseRepresentation
bin11010011110110001…
…001000001101000000
32201101120121120102200
4122132301020031000
5431212432420220
621021232113200
72024415420420
oct323661101500
981346546380
1028433482560
1111070a6131a
125616395800
1328b19834c2
14153a38c480
15b16340890
hex69ec48340

28433482560 has 336 divisors, whose sum is σ = 112134652032. Its totient is φ = 6477926400.

The previous prime is 28433482543. The next prime is 28433482589. The reversal of 28433482560 is 6528433482.

28433482560 is a `hidden beast` number, since 2 + 8 + 4 + 3 + 3 + 4 + 82 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6670830 + ... + 6675090.

Almost surely, 228433482560 is an apocalyptic number.

28433482560 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 28433482560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56067326016).

28433482560 is an abundant number, since it is smaller than the sum of its proper divisors (83701169472).

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

28433482560 is a wasteful number, since it uses less digits than its factorization.

28433482560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 28433482560 in words is "twenty-eight billion, four hundred thirty-three million, four hundred eighty-two thousand, five hundred sixty".