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28271556096 = 29372629423
BaseRepresentation
bin11010010101000111…
…011011011000000000
32200222021220212002020
4122111013123120000
5430400004243341
620553205321440
72020411155540
oct322507333000
980867825066
1028271556096
1110a986135a3
125590106280
132887269c24
141522a7b320
15b07007566
hex6951db600

28271556096 has 80 divisors (see below), whose sum is σ = 86076824064. Its totient is φ = 8077584384.

The previous prime is 28271556091. The next prime is 28271556161. The reversal of 28271556096 is 69065517282.

It is a super-2 number, since 2×282715560962 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28271556091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1303960 + ... + 1325463.

Almost surely, 228271556096 is an apocalyptic number.

It is an amenable number.

28271556096 is an abundant number, since it is smaller than the sum of its proper divisors (57805267968).

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

28271556096 is an equidigital number, since it uses as much as digits as its factorization.

28271556096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629451 (or 2629435 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 28271556096 in words is "twenty-eight billion, two hundred seventy-one million, five hundred fifty-six thousand, ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 1344 1536 1792 2688 3584 5376 10752 2629423 5258846 7888269 10517692 15776538 18405961 21035384 31553076 36811922 42070768 55217883 63106152 73623844 84141536 110435766 126212304 147247688 168283072 220871532 252424608 294495376 336566144 441743064 504849216 588990752 673132288 883486128 1009698432 1177981504 1346264576 1766972256 2019396864 2355963008 3533944512 4038793728 4711926016 7067889024 9423852032 14135778048 28271556096