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28550182244800 = 2652312671215503
BaseRepresentation
bin1100111110111010110110…
…11110001001000111000000
310202002101000021210210020211
412133131123132021013000
512220231233123313200
6140415434521043504
76004453062661306
oct637353336110700
9122071007723224
1028550182244800
119108078636a57
123251272326594
1312c1369774228
14709b9c730276
153479c82c2aba
hex19f75b7891c0

28550182244800 has 168 divisors, whose sum is σ = 72544949460992. Its totient is φ = 11047494528000.

The previous prime is 28550182244797. The next prime is 28550182244827. The reversal of 28550182244800 is 844228105582.

It is a super-2 number, since 2×285501822448002 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132373849 + ... + 132589351.

Almost surely, 228550182244800 is an apocalyptic number.

28550182244800 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 28550182244800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36272474730496).

28550182244800 is an abundant number, since it is smaller than the sum of its proper divisors (43994767216192).

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

28550182244800 is a wasteful number, since it uses less digits than its factorization.

28550182244800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218227 (or 218212 counting only the distinct ones).

The product of its (nonzero) digits is 1638400, while the sum is 49.

The spelling of 28550182244800 in words is "twenty-eight trillion, five hundred fifty billion, one hundred eighty-two million, two hundred forty-four thousand, eight hundred".