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428027578176 = 26311823246251
BaseRepresentation
bin1100011101010000110…
…11101000011101000000
31111220210222101212021210
412032220123220131000
524003100030000201
6524344432250120
742631631245632
oct6165033503500
91456728355253
10428027578176
11155586455750
126ab556a0940
1331494193923
1416a06690a52
15b2022ab1d6
hex63a86e8740

428027578176 has 112 divisors (see below), whose sum is σ = 1236949406208. Its totient is φ = 129547200000.

The previous prime is 428027578141. The next prime is 428027578201. The reversal of 428027578176 is 671875720824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1615051 + ... + 1861301.

Almost surely, 2428027578176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428027578176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618474703104).

428027578176 is an abundant number, since it is smaller than the sum of its proper divisors (808921828032).

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

428027578176 is a wasteful number, since it uses less digits than its factorization.

428027578176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247100 (or 247090 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 428027578176 in words is "four hundred twenty-eight billion, twenty-seven million, five hundred seventy-eight thousand, one hundred seventy-six".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 132 176 192 264 352 528 704 823 1056 1646 2112 2469 3292 4938 6584 9053 9876 13168 18106 19752 26336 27159 36212 39504 52672 54318 72424 79008 108636 144848 158016 217272 246251 289696 434544 492502 579392 738753 869088 985004 1477506 1738176 1970008 2708761 2955012 3940016 5417522 5910024 7880032 8126283 10835044 11820048 15760064 16252566 21670088 23640096 32505132 43340176 47280192 65010264 86680352 130020528 173360704 202664573 260041056 405329146 520082112 607993719 810658292 1215987438 1621316584 2229310303 2431974876 3242633168 4458620606 4863949752 6485266336 6687930909 8917241212 9727899504 12970532672 13375861818 17834482424 19455799008 26751723636 35668964848 38911598016 53503447272 71337929696 107006894544 142675859392 214013789088 428027578176