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28752746022 = 2327111310315493
BaseRepresentation
bin11010110001110011…
…000001011000100110
32202012211100211120100
4122301303001120212
5432341200333042
621113035044530
72035343210610
oct326163013046
982184324510
1028752746022
11112151a2720
1256a52a0746
132932b673b0
14156a937db0
15b343a724c
hex6b1cc1626

28752746022 has 192 divisors, whose sum is σ = 84461884416. Its totient is φ = 6826394880.

The previous prime is 28752746003. The next prime is 28752746093. The reversal of 28752746022 is 22064725782.

28752746022 is a `hidden beast` number, since 2 + 87 + 527 + 46 + 0 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1848108 + ... + 1863600.

It is an arithmetic number, because the mean of its divisors is an integer number (439905648).

Almost surely, 228752746022 is an apocalyptic number.

28752746022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 28752746022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42230942208).

28752746022 is an abundant number, since it is smaller than the sum of its proper divisors (55709138394).

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

28752746022 is a wasteful number, since it uses less digits than its factorization.

28752746022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15635 (or 15632 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 28752746022 in words is "twenty-eight billion, seven hundred fifty-two million, seven hundred forty-six thousand, twenty-two".